1 00:00:05,806 --> 00:00:07,072 My name is tory belleci, 2 00:00:07,074 --> 00:00:09,208 and this is the "explosion show." 3 00:00:09,210 --> 00:00:12,077 [ explosion ] 4 00:00:12,079 --> 00:00:13,278 now, when I was on "mythbusters," 5 00:00:13,280 --> 00:00:15,247 I blew up all sorts of stuff. 6 00:00:15,249 --> 00:00:18,083 [ explosion ] 7 00:00:18,085 --> 00:00:19,918 that was crazy! 8 00:00:19,920 --> 00:00:22,021 This is my buddy tommy passemante. 9 00:00:22,023 --> 00:00:23,022 What up? 10 00:00:23,024 --> 00:00:25,257 He loves exposes just as much as I do, 11 00:00:25,259 --> 00:00:28,761 but he's more of a enthusiast. 12 00:00:28,763 --> 00:00:30,195 On this show, 13 00:00:30,197 --> 00:00:32,431 we're gonna meet people who blow stuff up for living. 14 00:00:32,433 --> 00:00:33,999 Do you guys love your job or what? 15 00:00:34,001 --> 00:00:36,201 -It's a blast. -[ laughs ] 16 00:00:36,203 --> 00:00:39,872 we're gonna blow stuff up in the name of science. 17 00:00:39,874 --> 00:00:42,541 It's like a balloon, so it goes in three dimensions. 18 00:00:42,543 --> 00:00:45,911 Tory: And then we're gonna blow step up because why not? 19 00:00:45,913 --> 00:00:47,246 Ah, it sneaks up on you! 20 00:00:47,248 --> 00:00:49,448 It's just plain awesome. 21 00:00:49,450 --> 00:00:51,517 That was insane! 22 00:00:51,519 --> 00:00:52,818 So stick around. 23 00:00:52,820 --> 00:00:56,422 You might enjoy this just as much as we do. 24 00:00:56,424 --> 00:00:58,590 That seemed a little anticlimactic. 25 00:00:58,592 --> 00:00:59,892 Yeah, I felt like there 26 00:00:59,894 --> 00:01:01,293 should've been like an explosion... 27 00:01:01,295 --> 00:01:03,762 [ explosion ] 28 00:01:03,764 --> 00:01:06,532 ♪ 29 00:01:06,534 --> 00:01:09,835 oh, god. 30 00:01:09,837 --> 00:01:12,538 [ laughter ] 31 00:01:12,540 --> 00:01:13,572 -oh! -[ laughs ] 32 00:01:13,574 --> 00:01:15,040 ♪ here come the boom ♪ 33 00:01:15,042 --> 00:01:18,043 -- captions by vitac -- www.Vitac.Com 34 00:01:18,045 --> 00:01:21,046 captions paid for by discovery communications 35 00:01:21,048 --> 00:01:24,149 have you ever asked yourself where's the best place to be 36 00:01:24,151 --> 00:01:25,350 during an explosion? 37 00:01:25,352 --> 00:01:27,219 I would imagine away from it. 38 00:01:27,221 --> 00:01:29,154 Nowhere near it. That would be my guess. 39 00:01:29,156 --> 00:01:32,224 But what if you couldn't actually get away from the blast 40 00:01:32,226 --> 00:01:36,728 and you had to find the safest place to be? 41 00:01:36,730 --> 00:01:38,297 We're here at new mexico tech. 42 00:01:38,299 --> 00:01:40,199 Hello, good to see you. 43 00:01:40,201 --> 00:01:43,102 Tory: And that's exactly what they study. 44 00:01:43,104 --> 00:01:46,038 You see, one of the most dangerous parts of an explosion 45 00:01:46,040 --> 00:01:48,874 isn't the fireball, it's called the blast wave. 46 00:01:48,876 --> 00:01:50,109 It's a concussive energy 47 00:01:50,111 --> 00:01:52,177 that pushes outwards from an explosion. 48 00:01:52,179 --> 00:01:54,546 Van: This is 10,000 pounds of anfo. 49 00:01:54,548 --> 00:01:56,849 This is like a wall coming at you. 50 00:01:56,851 --> 00:01:59,585 When it hits you that pressure pulse 51 00:01:59,587 --> 00:02:03,856 will cause a lot of damage to your body. 52 00:02:03,858 --> 00:02:06,792 Tory: New mexico tech is one of the only schools in the world 53 00:02:06,794 --> 00:02:10,095 that studies explosions to see how to protect people 54 00:02:10,097 --> 00:02:12,264 and buildings from blast waves. 55 00:02:12,266 --> 00:02:15,067 To get a look at how these waves work in the real world, 56 00:02:15,069 --> 00:02:17,870 tommy and I are gonna complete a series of challenges 57 00:02:17,872 --> 00:02:19,304 starting with something small. 58 00:02:19,306 --> 00:02:21,406 Yeah, here we go. 59 00:02:21,408 --> 00:02:23,342 A letter bomb. 60 00:02:23,344 --> 00:02:25,544 Just when you thought working in an office 61 00:02:25,546 --> 00:02:26,912 couldn't get any worse, 62 00:02:26,914 --> 00:02:30,082 someone goes off and sends you an explosion real cool. 63 00:02:30,084 --> 00:02:33,785 Okay, so what we've got is essentially a letter bomb, 64 00:02:33,787 --> 00:02:35,420 for lack of a better term. 65 00:02:35,422 --> 00:02:37,789 -That's a bomb? -That's a bomb. 66 00:02:37,791 --> 00:02:39,825 Tory: Letter bombs are particularly dangerous 67 00:02:39,827 --> 00:02:42,427 because they can be really difficult to recognize. 68 00:02:42,429 --> 00:02:44,796 One of the most notorious bombers to use this method 69 00:02:44,798 --> 00:02:48,567 was ted kaczynski, also known as the unabomber. 70 00:02:48,569 --> 00:02:51,403 Between 1978 and 1995 kaczynski 71 00:02:51,405 --> 00:02:53,305 sent a series of bombs through the mail 72 00:02:53,307 --> 00:02:56,441 killing three people and injuring 27 others. 73 00:02:56,443 --> 00:02:59,311 Although kaczynski included clues with his bombs, 74 00:02:59,313 --> 00:03:00,445 such as frequently using 75 00:03:00,447 --> 00:03:03,048 the same $1 eugene o'neill stamps, 76 00:03:03,050 --> 00:03:06,185 the fact that he hand-built every component of his bombs 77 00:03:06,187 --> 00:03:08,420 made them virtually untraceable. 78 00:03:08,422 --> 00:03:10,956 He was so meticulous in hiding his identity 79 00:03:10,958 --> 00:03:12,424 that it took a tip from his brother 80 00:03:12,426 --> 00:03:15,260 to finally track him down. 81 00:03:15,262 --> 00:03:17,896 And how will, like, how would you be able to set that off 82 00:03:17,898 --> 00:03:20,999 in a letter bomb? 83 00:03:21,001 --> 00:03:23,402 Probably don't want to go into that detail. 84 00:03:23,404 --> 00:03:26,738 Forget I asked that question. Let's move on. 85 00:03:26,740 --> 00:03:29,041 The other thing that we're going to be doing with this, 86 00:03:29,043 --> 00:03:30,442 like most letter bombs, 87 00:03:30,444 --> 00:03:32,544 people like to add shrapnel to them. 88 00:03:32,546 --> 00:03:35,280 We're gonna put some paper clips on the explosive. 89 00:03:35,282 --> 00:03:36,748 Tory: It's pretty terrifying. 90 00:03:36,750 --> 00:03:39,651 This tiny bomb has enough force to turn a paperclip weighing 91 00:03:39,653 --> 00:03:42,654 just half a gram into a deadly projectile. 92 00:03:42,656 --> 00:03:44,823 -It's very creepy. -It just got real. 93 00:03:44,825 --> 00:03:47,259 Tory: So tommy and I each have our own room. 94 00:03:47,261 --> 00:03:49,261 Inside the room there are a couple of places 95 00:03:49,263 --> 00:03:51,496 that are safer than others. 96 00:03:51,498 --> 00:03:53,665 Tory: Our task is to find the safest spot 97 00:03:53,667 --> 00:03:56,268 to place the dummy inside that room. 98 00:03:56,270 --> 00:03:57,970 Mike, why do they look like us? 99 00:03:57,972 --> 00:03:59,238 [ laughs ] 100 00:03:59,240 --> 00:04:00,939 are you trying to tell us something? 101 00:04:00,941 --> 00:04:04,676 So if you also notice we have some pressure gauges right here. 102 00:04:04,678 --> 00:04:06,912 So we're gonna actually measure 103 00:04:06,914 --> 00:04:09,681 how much pressure you see from this letter bomb 104 00:04:09,683 --> 00:04:11,350 where you place your dummy. 105 00:04:11,352 --> 00:04:13,285 And so what's the foil for, is that the safe? 106 00:04:13,287 --> 00:04:15,287 The foil is called a bikini gauge. 107 00:04:15,289 --> 00:04:20,392 Tory: In 1946, the united states began a series of nuclear tests 108 00:04:20,394 --> 00:04:25,030 in the marshall islands at a place called bikini atoll. 109 00:04:25,032 --> 00:04:26,832 Among the many tools used to measure 110 00:04:26,834 --> 00:04:29,701 the magnitude of the blast was the bikini gauge, 111 00:04:29,703 --> 00:04:31,370 a diaphragm of thin aluminum 112 00:04:31,372 --> 00:04:33,705 or copper foil placed over a hole. 113 00:04:33,707 --> 00:04:35,741 If the foil broke, researchers knew 114 00:04:35,743 --> 00:04:39,311 the approximate amount of peak pressure placed on the gauge 115 00:04:39,313 --> 00:04:41,179 based on the diameter of the hole 116 00:04:41,181 --> 00:04:43,982 and the thickness of the foil. 117 00:04:43,984 --> 00:04:46,051 What were you thinking when you said bikini gauge? 118 00:04:46,053 --> 00:04:47,853 My brain went in the gutter. 119 00:04:47,855 --> 00:04:50,489 Tory: The bikini gauges on these dummies are configured to burst 120 00:04:50,491 --> 00:04:53,091 at two pounds of pressure per square inch. 121 00:04:53,093 --> 00:04:55,994 Roughly the amount of pressure required to burst your eardrums. 122 00:04:55,996 --> 00:04:59,298 So these things pop, we know our eardrums are gone. 123 00:04:59,300 --> 00:05:00,999 Mike: Let's place your dummies. 124 00:05:01,001 --> 00:05:03,969 Okay, so I'm thinking like, I'm gonna get right behind 125 00:05:03,971 --> 00:05:05,904 the guy who was opening the letter bomb. 126 00:05:05,906 --> 00:05:07,639 I hear something ticking, I think that, you know, 127 00:05:07,641 --> 00:05:09,975 his body's probably gonna protect me from frags. 128 00:05:09,977 --> 00:05:11,109 That's a good choice. 129 00:05:11,111 --> 00:05:13,645 All right. Tommy, what do you want to do? 130 00:05:13,647 --> 00:05:15,714 Yeah, so, like, I'd be under the desk 131 00:05:15,716 --> 00:05:19,051 because I totally dropped my pencil, 132 00:05:19,053 --> 00:05:21,887 so I'm looking for it. 133 00:05:21,889 --> 00:05:25,023 Do you think maybe that desk 134 00:05:25,025 --> 00:05:26,625 is gonna protect you from the blast? 135 00:05:26,627 --> 00:05:29,561 Yeah, it's gonna deflect. 136 00:05:29,563 --> 00:05:33,031 Everything hanging out. All right, I think we're good. 137 00:05:33,033 --> 00:05:36,368 Let's go ahead and shoot it and see what happens. 138 00:05:36,370 --> 00:05:38,770 Tory: Now it's time for jon rig up the detonator. 139 00:05:38,772 --> 00:05:41,306 As the ordinance technician, jon is an expert 140 00:05:41,308 --> 00:05:43,041 on all things blast-related, 141 00:05:43,043 --> 00:05:45,811 so we're glad he's around to keep us safe. 142 00:05:45,813 --> 00:05:47,612 Based on total guesswork, 143 00:05:47,614 --> 00:05:50,682 we've both decided where to place our dummies. 144 00:05:50,684 --> 00:05:53,485 I'm cowering behind my coworker in one room 145 00:05:53,487 --> 00:05:58,256 and tommy's doing something under the desk in the other. 146 00:05:58,258 --> 00:06:01,460 Time to see how it all plays out. 147 00:06:01,462 --> 00:06:04,029 Okay, here we go. First shot. 148 00:06:04,031 --> 00:06:05,330 -Ready? -Ready. 149 00:06:05,332 --> 00:06:07,499 Three, two, one. 150 00:06:07,501 --> 00:06:10,902 [ explosion ] 151 00:06:10,904 --> 00:06:13,472 dude, that was the size of a letter? 152 00:06:13,474 --> 00:06:14,773 Yes. 153 00:06:14,775 --> 00:06:16,441 Tory: That was just one ounce of sheet explosive, 154 00:06:16,443 --> 00:06:21,079 small enough to fit inside of an envelope. 155 00:06:21,081 --> 00:06:22,748 All right, mike, we ready to go? 156 00:06:22,750 --> 00:06:26,785 Jonathan: Let's do it again. Let's see how tommy's fares. 157 00:06:26,787 --> 00:06:27,786 I got no faith. 158 00:06:27,788 --> 00:06:30,555 Yeah, you're so dead. 159 00:06:30,557 --> 00:06:31,857 Is everybody ready? 160 00:06:31,859 --> 00:06:33,692 Yeah. 161 00:06:33,694 --> 00:06:36,228 Okay. Here we go. In three, two, one. 162 00:06:36,230 --> 00:06:39,264 [ explosion ] 163 00:06:39,266 --> 00:06:41,533 it never gets old! 164 00:06:41,535 --> 00:06:42,701 I feel like I'm a goner. 165 00:06:42,703 --> 00:06:44,469 It's okay. 166 00:06:44,471 --> 00:06:47,072 Let's go check it out. 167 00:06:47,074 --> 00:06:51,643 -Oh, man. -Oh, my god. 168 00:06:51,645 --> 00:06:52,978 Look at this. 169 00:06:52,980 --> 00:06:57,315 It's like a perfect rectangle of where the bomb was. 170 00:06:57,317 --> 00:06:59,684 Your head is pretty tore up. 171 00:06:59,686 --> 00:07:01,853 -Not really. -Look at it. 172 00:07:01,855 --> 00:07:03,989 You got all this shrapnel, look it blew its face off. 173 00:07:03,991 --> 00:07:06,892 Yeah, but that's just like my ear and stuff. 174 00:07:06,894 --> 00:07:09,194 Dude, I don't know. Should we check the... 175 00:07:09,196 --> 00:07:10,796 -My bikini? -Yeah, check your -- 176 00:07:10,798 --> 00:07:12,164 -oh. -Oh, she gone. 177 00:07:12,166 --> 00:07:13,832 All right, well. 178 00:07:13,834 --> 00:07:16,201 So based on the bikini gauge being blown, 179 00:07:16,203 --> 00:07:19,671 we know tommy's ear drums would have ruptured at the very least. 180 00:07:19,673 --> 00:07:22,274 The blast basically shattered the table 181 00:07:22,276 --> 00:07:24,776 and then all of that came down this way, 182 00:07:24,778 --> 00:07:26,511 hit the side of your face and the back 183 00:07:26,513 --> 00:07:27,846 and then if you look up here. 184 00:07:27,848 --> 00:07:29,314 Holy... 185 00:07:29,316 --> 00:07:32,384 -That is the paper clips. -Whoa! 186 00:07:32,386 --> 00:07:37,522 Dude, look at all the paper clips embedded in the dry wall. 187 00:07:37,524 --> 00:07:38,857 That is terrifying. 188 00:07:38,859 --> 00:07:40,692 It is. Yep. 189 00:07:40,694 --> 00:07:41,793 Tory: We need to download the results 190 00:07:41,795 --> 00:07:43,161 from the neck pressure gauge 191 00:07:43,163 --> 00:07:44,863 to get the official results, 192 00:07:44,865 --> 00:07:46,832 but based on the face full of desk, 193 00:07:46,834 --> 00:07:48,400 tommy isn't looking so hot. 194 00:07:48,402 --> 00:07:49,835 Time to head over to the other room 195 00:07:49,837 --> 00:07:53,705 and see if my choice to hide behind my coworker paid off. 196 00:07:53,707 --> 00:07:55,607 Well. 197 00:07:55,609 --> 00:07:58,410 -Oh, yeah. -Your gauge is blown as well. 198 00:07:58,412 --> 00:07:59,711 Okay. 199 00:07:59,713 --> 00:08:00,879 We'll know for sure when we download the data, 200 00:08:00,881 --> 00:08:04,983 but it's not looking good. Sorry. 201 00:08:04,985 --> 00:08:07,385 Tory: Blast wave pressure is measured in psi -- 202 00:08:07,387 --> 00:08:08,820 pounds per square inch. 203 00:08:08,822 --> 00:08:11,590 Anything above two is enough to burst eardrums, 204 00:08:11,592 --> 00:08:13,425 the most sensitive part of your body. 205 00:08:13,427 --> 00:08:15,861 Six to 12 psi could start to damage 206 00:08:15,863 --> 00:08:17,829 other sensitive organs like your lungs. 207 00:08:17,831 --> 00:08:20,098 And pressure higher than 20 psi 208 00:08:20,100 --> 00:08:22,601 means your chance of survival drops off quickly. 209 00:08:22,603 --> 00:08:24,803 According to the pressure gauge around my dummy's neck, 210 00:08:24,805 --> 00:08:27,706 I experienced 4.1 psi of pressure, 211 00:08:27,708 --> 00:08:29,140 so I'm probably okay. 212 00:08:29,142 --> 00:08:31,376 So wait, so what you're saying is my coworker is dead 213 00:08:31,378 --> 00:08:32,711 and I probably survived? 214 00:08:32,713 --> 00:08:34,012 There's a good chance. 215 00:08:34,014 --> 00:08:36,615 All right, I'm getting a promotion after all. 216 00:08:36,617 --> 00:08:38,817 By diving under the desk, tommy actually managed 217 00:08:38,819 --> 00:08:40,952 to shield himself from some of the pressure. 218 00:08:40,954 --> 00:08:44,456 His dummy only saw three psi pressure, 219 00:08:44,458 --> 00:08:46,625 but there's one little problem. 220 00:08:46,627 --> 00:08:50,028 All of the fragments from the desk 221 00:08:50,030 --> 00:08:51,897 probably would have impaled you. 222 00:08:51,899 --> 00:08:53,565 I didn't like that job anyway. 223 00:08:53,567 --> 00:08:56,167 You guys both chose cover over distance. 224 00:08:56,169 --> 00:08:58,637 Tory: This is important information we didn't have 225 00:08:58,639 --> 00:08:59,971 when we were placing our dummies. 226 00:08:59,973 --> 00:09:02,674 If we had chosen the corner opposite of that desk, 227 00:09:02,676 --> 00:09:04,476 we might've survived? -You might have. 228 00:09:04,478 --> 00:09:06,778 Tory: Distance is almost always preferable to cover 229 00:09:06,780 --> 00:09:08,914 when you're trying to survive an explosion. 230 00:09:08,916 --> 00:09:12,017 So even though I survived, I might've salvaged my eardrums 231 00:09:12,019 --> 00:09:14,219 if I had chosen the opposite corner of the room. 232 00:09:14,221 --> 00:09:16,721 Why did we want to get so close to the letter bomb? 233 00:09:16,723 --> 00:09:18,790 -Are we just that curious? -I don't know. 234 00:09:18,792 --> 00:09:21,059 You guys want to see what a whole lot can do? 235 00:09:21,061 --> 00:09:22,260 Uh, that's why we came here. 236 00:09:22,262 --> 00:09:23,628 Let's go see. 237 00:09:23,630 --> 00:09:26,464 I'm gonna stick to emails. No more letters for me. 238 00:09:26,466 --> 00:09:28,833 This is like cold war. 239 00:09:28,835 --> 00:09:30,735 Oh! [ laughs ] 240 00:09:30,737 --> 00:09:33,471 I was not expecting to feel that in here. 241 00:09:33,473 --> 00:09:35,106 -Whoa! -Ah! 242 00:09:35,108 --> 00:09:36,675 Mr president, there's no survivors. 243 00:09:43,617 --> 00:09:45,050 Tory: We're here at new mexico tech 244 00:09:45,052 --> 00:09:47,152 where they conduct industry-leading research 245 00:09:47,154 --> 00:09:49,621 on the properties of blast waves. 246 00:09:49,623 --> 00:09:52,257 Our experts mike and jon are about to show us 247 00:09:52,259 --> 00:09:54,759 a one-of-a-kind testing facility -- 248 00:09:54,761 --> 00:09:56,294 the urban canyon. 249 00:09:56,296 --> 00:09:57,862 This model of a city block 250 00:09:57,864 --> 00:10:01,399 is designed to simulate a blast in an urban environment. 251 00:10:01,401 --> 00:10:05,937 The structure is so menacing, this is like cold war [bleep]. 252 00:10:05,939 --> 00:10:09,040 Tory: The urban canyon tests the way the blast waves ricochet 253 00:10:09,042 --> 00:10:10,675 off of the building's geometry. 254 00:10:10,677 --> 00:10:13,979 The data gathered here is used to construct safer buildings 255 00:10:13,981 --> 00:10:17,282 like the freedom tower in new york city. 256 00:10:17,284 --> 00:10:19,150 Are those solid concrete? 257 00:10:19,152 --> 00:10:20,485 These are hollow blocks, 258 00:10:20,487 --> 00:10:22,420 and then the bars sticking out of the top 259 00:10:22,422 --> 00:10:26,825 are actually a deformable steel rod that we take a jack 260 00:10:26,827 --> 00:10:29,394 and we stretch the rod, tighten the nut, 261 00:10:29,396 --> 00:10:32,831 and then let the pressure off and it holds the stack together 262 00:10:32,833 --> 00:10:35,934 so that when we hit it with the blast, it does it. 263 00:10:35,936 --> 00:10:39,204 Sorry you said tight nuts. Sorry, mike. 264 00:10:39,206 --> 00:10:42,007 -[ laughs ] -all right. All right. You good? 265 00:10:42,009 --> 00:10:44,576 Okay, yeah. Can we blow it up yet? 266 00:10:44,578 --> 00:10:46,378 -Let's go and check it out. -All right. 267 00:10:46,380 --> 00:10:48,313 Tory: Our next challenge is a big one. 268 00:10:48,315 --> 00:10:52,684 Tommy: We just got to stretch the rod and tighten the nuts. 269 00:10:52,686 --> 00:10:54,285 Tory: We got a fresh set of dummies, 270 00:10:54,287 --> 00:10:57,422 so we're going to examine the geometry of the urban canyon 271 00:10:57,424 --> 00:10:59,591 and attempt to place the dummies in a spot 272 00:10:59,593 --> 00:11:01,292 that is sheltered from the blast waves. 273 00:11:01,294 --> 00:11:02,560 Good luck. 274 00:11:02,562 --> 00:11:05,830 Don't need it. Good luck. 275 00:11:05,832 --> 00:11:07,799 So dumb. 276 00:11:07,801 --> 00:11:10,335 ♪ 277 00:11:10,337 --> 00:11:12,437 -oh, hey, what's up? -Hey, what's going on, buddy? 278 00:11:12,439 --> 00:11:19,377 ♪ 279 00:11:19,379 --> 00:11:22,180 I would imagine you would want to get low to the ground, right? 280 00:11:22,182 --> 00:11:24,149 In order to demonstrate the way blast waves 281 00:11:24,151 --> 00:11:26,718 can bounce off buildings and wrap around walls, 282 00:11:26,720 --> 00:11:29,287 we're placing a few extra dummies in other spots. 283 00:11:29,289 --> 00:11:33,124 Tory, look out! Ah! 284 00:11:33,126 --> 00:11:35,927 You saved me! You're my hero. 285 00:11:35,929 --> 00:11:38,363 [ laughs ] yes, sir. 286 00:11:38,365 --> 00:11:40,331 ♪ 287 00:11:40,333 --> 00:11:41,866 tory: Now that the dummies are in place 288 00:11:41,868 --> 00:11:45,403 and tommy's done some light tagging... 289 00:11:45,405 --> 00:11:47,038 I can't take him anywhere. 290 00:11:47,040 --> 00:11:49,374 ...It's time to load up our explosives. 291 00:11:49,376 --> 00:11:54,512 This is anfo or ammonium nitrate and fuel oil. 292 00:11:54,514 --> 00:12:00,018 This was first used as an explosive in the 1950s. 293 00:12:00,020 --> 00:12:02,153 The canadians actually developed this 294 00:12:02,155 --> 00:12:04,489 for blasting coal mines, initially. 295 00:12:04,491 --> 00:12:06,157 Tory: Anfo quickly grew in popularity 296 00:12:06,159 --> 00:12:07,492 in the mining industry. 297 00:12:07,494 --> 00:12:08,993 It was much safer than dynamite 298 00:12:08,995 --> 00:12:12,731 because it was difficult to set off accidentally by impact, 299 00:12:12,733 --> 00:12:14,099 so workers could load it 300 00:12:14,101 --> 00:12:18,269 without fear of an unexpected detonation. 301 00:12:18,271 --> 00:12:20,939 And because anfo has a relatively low detonation 302 00:12:20,941 --> 00:12:24,008 velocity compared to other explosives like tnt, 303 00:12:24,010 --> 00:12:26,644 the pressure from its blast waves travel slower, 304 00:12:26,646 --> 00:12:29,814 but it sustains that pressure for longer periods of time. 305 00:12:29,816 --> 00:12:32,951 That makes it more effective for things like moving earth. 306 00:12:32,953 --> 00:12:35,653 In other words, it's got a lot of push, 307 00:12:35,655 --> 00:12:37,489 not a lot of punch. 308 00:12:37,491 --> 00:12:40,558 Tory: 70 pounds of explosives is no joke, 309 00:12:40,560 --> 00:12:42,527 so we're gonna observe from inside 310 00:12:42,529 --> 00:12:44,496 the thick concrete walls of this bunker. 311 00:12:44,498 --> 00:12:47,432 When the apocalypse happens, this is where you want to be. 312 00:12:47,434 --> 00:12:52,504 Right, in we go and nobody comes out till we're done. 313 00:12:52,506 --> 00:12:55,974 -How cool is that? -Jeez. 314 00:12:55,976 --> 00:12:57,475 Mr president, there's no survivors. 315 00:12:57,477 --> 00:12:58,877 [ laughs ] 316 00:12:58,879 --> 00:13:03,081 ♪ 317 00:13:03,083 --> 00:13:04,649 tory: So where are you guys firing it from? 318 00:13:04,651 --> 00:13:06,217 Right in the next room. 319 00:13:06,219 --> 00:13:09,220 -Oh, whoa. -The red cage. 320 00:13:09,222 --> 00:13:12,423 When you unlock the red cage, that's when the boom comes. 321 00:13:12,425 --> 00:13:17,328 ♪ 322 00:13:17,330 --> 00:13:18,830 do you guys want to do the countdown? 323 00:13:18,832 --> 00:13:20,665 Yeah. 324 00:13:20,667 --> 00:13:25,870 All right, here we go. In three, two, one... 325 00:13:25,872 --> 00:13:29,073 Whoa! [ laughs ] whoa! 326 00:13:29,075 --> 00:13:32,644 Dude, I was not expecting to feel that in here. 327 00:13:32,646 --> 00:13:34,579 Dude, the whole building shook. 328 00:13:34,581 --> 00:13:36,181 That's crazy. 329 00:13:36,183 --> 00:13:37,549 Tory: In the replay, 330 00:13:37,551 --> 00:13:39,384 you can actually see the way the blast waves 331 00:13:39,386 --> 00:13:41,452 traveled through the urban canyon. 332 00:13:41,454 --> 00:13:42,587 Mike: I mean, it's, like, 333 00:13:42,589 --> 00:13:45,256 kicking up dust almost every single spot. 334 00:13:45,258 --> 00:13:48,126 So the way that the shock works is it's like a balloon. 335 00:13:48,128 --> 00:13:51,896 You're blowing up a balloon. So it goes in three dimensions. 336 00:13:51,898 --> 00:13:54,966 So you get the pressure of the shockwave coming by 337 00:13:54,968 --> 00:13:56,467 and then behind it there's an area 338 00:13:56,469 --> 00:13:58,736 that's a negative phase, it's called. 339 00:13:58,738 --> 00:14:00,672 So everywhere you see dirt kicking up, 340 00:14:00,674 --> 00:14:05,043 that means the shockwave has passed by already. 341 00:14:05,045 --> 00:14:06,544 Tory: Look, I'm still smiling. 342 00:14:06,546 --> 00:14:10,248 You picked the best spot to be on this face of this wall 343 00:14:10,250 --> 00:14:13,685 because the blast wave wraps around over the top, 344 00:14:13,687 --> 00:14:15,854 it comes around here, there's a vortex, 345 00:14:15,856 --> 00:14:17,889 and then it'll come back over here. 346 00:14:17,891 --> 00:14:19,791 -Unfortunately... -His disc is ruptured. 347 00:14:19,793 --> 00:14:21,259 Tory: Dang. 348 00:14:21,261 --> 00:14:23,761 We'll see what the numbers say about my chances of survival, 349 00:14:23,763 --> 00:14:27,565 but for now, I've blown another set of perfectly good eardrums. 350 00:14:27,567 --> 00:14:30,768 Now this guy here. This one really got hit hard. 351 00:14:30,770 --> 00:14:33,538 This one, I don't think there's any chance of survival. 352 00:14:33,540 --> 00:14:34,739 So we know, which one was this. 353 00:14:34,741 --> 00:14:37,075 Oh, this one was over here. 354 00:14:37,077 --> 00:14:38,543 And how did he get over here? 355 00:14:38,545 --> 00:14:41,479 It actually got sucked in by the negative phase 356 00:14:41,481 --> 00:14:43,181 of the blast. -No way! 357 00:14:43,183 --> 00:14:45,750 -That's crazy. -Yeah. 358 00:14:45,752 --> 00:14:47,418 Tory: The negative phase of the blast wave 359 00:14:47,420 --> 00:14:50,555 is like a powerful wind that actually draws objects 360 00:14:50,557 --> 00:14:52,924 back toward the source of the explosion. 361 00:14:52,926 --> 00:14:54,025 So it was almost like a tornado. 362 00:14:54,027 --> 00:14:55,126 It's like a tornado, yeah. 363 00:14:55,128 --> 00:14:58,563 That is rad, but terrifying. 364 00:14:58,565 --> 00:15:03,334 Oh, guess what, tommy? Your -- your dummy's gone. 365 00:15:03,336 --> 00:15:05,303 Yeah, I don't think I saved anybody. 366 00:15:05,305 --> 00:15:06,671 Big surprise. 367 00:15:06,673 --> 00:15:10,074 The one inside may have the best chance of all of surviving 368 00:15:10,076 --> 00:15:12,944 because it's shielded on two sides 369 00:15:12,946 --> 00:15:14,746 and he's kind of in the corner over there, 370 00:15:14,748 --> 00:15:20,118 so he may be shielded a little better even than yours out here. 371 00:15:20,120 --> 00:15:21,452 Tory: We'll see what the numbers say. 372 00:15:21,454 --> 00:15:23,454 But tommy may have picked a good spot. 373 00:15:23,456 --> 00:15:25,023 Being down inside that structure 374 00:15:25,025 --> 00:15:28,092 is probably the safest position possible. 375 00:15:28,094 --> 00:15:31,663 I mean, those blast waves really ricochet, travel everywhere. 376 00:15:31,665 --> 00:15:35,600 It's like the walls almost make it more violent. 377 00:15:35,602 --> 00:15:37,001 Let's check out the pressure data 378 00:15:37,003 --> 00:15:38,770 and see if either of us survived. 379 00:15:38,772 --> 00:15:41,506 This time, we're measuring both the peak overpressure, 380 00:15:41,508 --> 00:15:44,542 which is the amount of force at the blast, most powerful point. 381 00:15:44,544 --> 00:15:47,178 And the total pressure, which is the combined amount of force 382 00:15:47,180 --> 00:15:49,847 experienced during the entire duration of the blast, 383 00:15:49,849 --> 00:15:51,416 including all the ricochets. 384 00:15:51,418 --> 00:15:55,086 -So this first one is you, tory. -Okay. 385 00:15:55,088 --> 00:15:58,623 So the peak overpressure was 7.5 psi. 386 00:15:58,625 --> 00:16:02,527 Tory: 7.4 psi is enough to cause some organ damage 387 00:16:02,529 --> 00:16:04,228 though not necessarily fatal, 388 00:16:04,230 --> 00:16:07,231 but the total pressure was almost 50 psi. 389 00:16:07,233 --> 00:16:09,701 And you probably would not survive the event. 390 00:16:09,703 --> 00:16:11,602 Tory: I mean, I thought I did pretty good. 391 00:16:11,604 --> 00:16:14,005 Aside from the punctured lung and the bleeding, 392 00:16:14,007 --> 00:16:17,141 and drowning from your blood filling up your lungs, 393 00:16:17,143 --> 00:16:18,443 but other than that, fine. 394 00:16:18,445 --> 00:16:20,812 With tommy being inside the block, 395 00:16:20,814 --> 00:16:23,381 he only saw about five psi 396 00:16:23,383 --> 00:16:27,385 and the total pressure that you saw was just about 20. 397 00:16:27,387 --> 00:16:29,354 So you probably have a 60 398 00:16:29,356 --> 00:16:32,523 to 70% chance that you would live. 399 00:16:32,525 --> 00:16:34,993 -You survived. -I made it. I made it. 400 00:16:34,995 --> 00:16:36,194 -I made it. -Oh, I'm so happy. 401 00:16:36,196 --> 00:16:39,197 At least one of us -- as long as one of us survived. 402 00:16:39,199 --> 00:16:42,333 So we've seen what a one ounce letter bomb could do. 403 00:16:42,335 --> 00:16:43,935 We've seen the kinds of blast waves 404 00:16:43,937 --> 00:16:45,737 that 70 pounds anfo could create. 405 00:16:45,739 --> 00:16:48,539 Let's hope we never have to choose what spot to be in 406 00:16:48,541 --> 00:16:50,274 when a blast is about to go off. 407 00:16:50,276 --> 00:16:53,678 Now it's time to go even bigger. 408 00:16:53,680 --> 00:16:55,580 Tommy: There's some junk in that trunk. 409 00:16:55,582 --> 00:16:56,814 -Ugh. -Bad idea. 410 00:16:56,816 --> 00:16:59,384 Oh, god. Yeah, it sneaks up on you. 411 00:16:59,386 --> 00:17:01,185 No chance, I'm surviving. 412 00:17:01,187 --> 00:17:03,454 -Yeah! -[ laughs ] 413 00:17:10,296 --> 00:17:11,863 tory: We've been working with the experts 414 00:17:11,865 --> 00:17:14,399 from new mexico tech to study blast waves 415 00:17:14,401 --> 00:17:19,804 and find out what would be the safest spot in an explosion. 416 00:17:19,806 --> 00:17:21,906 Well, that car looks suspicious. 417 00:17:21,908 --> 00:17:24,042 Tommy: There's some junk in that trunk. 418 00:17:24,044 --> 00:17:26,144 What do we got here? 419 00:17:26,146 --> 00:17:28,613 We got 500 pounds of anfo in the trunk. 420 00:17:28,615 --> 00:17:31,549 -That explains the suspension. -Wow. 421 00:17:31,551 --> 00:17:34,552 Tory: This 500 pound car bomb were to go off in a city 422 00:17:34,554 --> 00:17:35,920 instead of on this bomb range, 423 00:17:35,922 --> 00:17:38,856 it would cause a massive amount of death and destruction 424 00:17:38,858 --> 00:17:40,191 in the surrounding area. 425 00:17:40,193 --> 00:17:44,095 So we did 70 at the canyon and now we're doing 500. 426 00:17:44,097 --> 00:17:45,463 We're gonna step it up a little. 427 00:17:45,465 --> 00:17:47,865 So how big is the shockwave gonna eventually get? 428 00:17:47,867 --> 00:17:49,500 Like, how far out from ground zero? 429 00:17:49,502 --> 00:17:51,669 The shockwave will actually roll all the way up to the hill 430 00:17:51,671 --> 00:17:53,571 to where you guys are going to be at. 431 00:17:53,573 --> 00:17:55,006 Oh, my god. 432 00:17:55,008 --> 00:17:58,376 Similar to the other challenges, our goal is to place our dummies 433 00:17:58,378 --> 00:18:00,912 in the safest possible spot along this wall. 434 00:18:00,914 --> 00:18:02,914 The bikini gauges on their chest 435 00:18:02,916 --> 00:18:04,749 and the pressure gauges around their necks 436 00:18:04,751 --> 00:18:07,018 will tell us if they survived the blast or not. 437 00:18:07,020 --> 00:18:09,887 -I'm confused. -About what? 438 00:18:09,889 --> 00:18:12,323 He said the shockwaves going all the way up the hill. 439 00:18:12,325 --> 00:18:16,394 Yeah, so how is standing behind a wall gonna save us? 440 00:18:16,396 --> 00:18:18,396 Yeah. How are any of these gonna survive? 441 00:18:18,398 --> 00:18:20,631 So if you recall at the urban canyon 442 00:18:20,633 --> 00:18:22,733 we only had a six foot high block 443 00:18:22,735 --> 00:18:24,502 when that shockwave came. 444 00:18:24,504 --> 00:18:28,039 -Right. -This is over 10 feet tall, 445 00:18:28,041 --> 00:18:32,844 so that means the shockwave has to come up and over that wall. 446 00:18:32,846 --> 00:18:35,780 Tory: The wall is used to test another property of blast waves 447 00:18:35,782 --> 00:18:37,448 called a blast shadow. 448 00:18:37,450 --> 00:18:39,350 As a blast wave hits an obstruction 449 00:18:39,352 --> 00:18:42,353 and begins to wrap around, a blast shadow is created. 450 00:18:42,355 --> 00:18:44,455 People and objects in that blast shadow 451 00:18:44,457 --> 00:18:47,859 are protected from the blast wave's concussive force. 452 00:18:47,861 --> 00:18:50,027 That's generally the safest place to be in a blast, 453 00:18:50,029 --> 00:18:52,163 is in a blast shadow of something. 454 00:18:52,165 --> 00:18:53,231 Gotcha. 455 00:18:53,233 --> 00:18:54,432 Back at the urban canyon, 456 00:18:54,434 --> 00:18:56,901 we saw how blast waves can wrap around objects, 457 00:18:56,903 --> 00:19:00,204 so I'm a little skeptical that this wall can protect my dummy. 458 00:19:00,206 --> 00:19:03,574 So what you're saying is a 500-pound blast, 459 00:19:03,576 --> 00:19:05,710 we could actually put him somewhere back here 460 00:19:05,712 --> 00:19:08,746 and he'll survive? -Yes. 461 00:19:08,748 --> 00:19:11,115 Tory: To get the maximum blast shadow protection. 462 00:19:11,117 --> 00:19:12,783 Tommy and I are placing our dummies 463 00:19:12,785 --> 00:19:14,252 in the center of the wall. 464 00:19:14,254 --> 00:19:16,721 Then jon places his dummy in the same spot 465 00:19:16,723 --> 00:19:18,856 with one crucial difference. 466 00:19:18,858 --> 00:19:21,192 He's not gonna be against the wall. 467 00:19:21,194 --> 00:19:23,060 -Oh. -Ah... 468 00:19:23,062 --> 00:19:25,129 We want them to be off the wall. 469 00:19:25,131 --> 00:19:27,598 You already picked your spots, you're stuck. 470 00:19:27,600 --> 00:19:30,234 Tory: Then just for fun, we placed two more dummies 471 00:19:30,236 --> 00:19:32,003 totally outside the blast shadow. 472 00:19:32,005 --> 00:19:34,338 One far behind the wall 473 00:19:34,340 --> 00:19:36,641 and one squarely in front of the wall. 474 00:19:36,643 --> 00:19:39,911 We've got the explosives in the rear end of the car. 475 00:19:39,913 --> 00:19:42,446 So what do you think is gonna come this direction? 476 00:19:42,448 --> 00:19:44,382 -The engine block. -The engine block. 477 00:19:44,384 --> 00:19:46,551 Oh, this is gonna be like a fast ball pitch. 478 00:19:46,553 --> 00:19:47,852 Jon's gonna try to see 479 00:19:47,854 --> 00:19:50,154 if he can hit this dummy with pieces of the car. 480 00:19:50,156 --> 00:19:52,623 It's 50-50 chance everything's got a light right. 481 00:19:52,625 --> 00:19:55,726 That's so awesome. [ laughs ] 482 00:19:55,728 --> 00:19:58,496 we've got one final dummy to checkout. 483 00:19:58,498 --> 00:20:01,265 I swear these guys are keeping the dummy industry afloat. 484 00:20:01,267 --> 00:20:04,835 So what we're looking to see here is if there's enough 485 00:20:04,837 --> 00:20:07,772 of a blast wave to blow out the window 486 00:20:07,774 --> 00:20:11,275 and come and hit this mannequin. 487 00:20:11,277 --> 00:20:12,476 [ speaking indistinctly ] 488 00:20:12,478 --> 00:20:14,111 tommy: He's like, man, this is gonna be good. 489 00:20:14,113 --> 00:20:15,479 All right, should we get to the bunker? 490 00:20:15,481 --> 00:20:17,415 -Yeah, bunker. -Bunker, all right. 491 00:20:17,417 --> 00:20:18,616 Tory: This bunker is different 492 00:20:18,618 --> 00:20:20,117 than the one at the urban canyon. 493 00:20:20,119 --> 00:20:21,886 This one is open on the backside, 494 00:20:21,888 --> 00:20:24,755 which means we can really feel the concussive blast. 495 00:20:24,757 --> 00:20:26,857 You ready for this, dude? 496 00:20:26,859 --> 00:20:28,593 We're, like, not underground. 497 00:20:28,595 --> 00:20:32,096 So you're gonna feel it, dude. 498 00:20:32,098 --> 00:20:35,766 Mike: All right, standby for count. Everybody looking. 499 00:20:35,768 --> 00:20:38,169 Everybody ready? Here we go. 500 00:20:38,171 --> 00:20:42,907 Five, four, three, two, one. 501 00:20:42,909 --> 00:20:45,610 [ explosion ] 502 00:20:45,612 --> 00:20:48,946 -yeah! -[ laughs ] 503 00:20:48,948 --> 00:20:51,782 yeah, it sneaks up on you. 504 00:20:51,784 --> 00:20:52,883 Dude, look at that cloud. 505 00:20:52,885 --> 00:20:56,153 -Oh, my god. -Look at that cloud. 506 00:20:56,155 --> 00:20:58,623 That was so dope. 507 00:20:58,625 --> 00:21:00,958 [ explosion ] 508 00:21:00,960 --> 00:21:02,760 do you really think our dummy survived that? 509 00:21:02,762 --> 00:21:04,895 Dude, the car, there's nothing there. 510 00:21:04,897 --> 00:21:06,764 It's gone. It's like a magic trick. 511 00:21:06,766 --> 00:21:08,933 Now you see it, now you don't. 512 00:21:08,935 --> 00:21:10,701 I don't know how anyone could survive 513 00:21:10,703 --> 00:21:12,336 a massive blast like that, 514 00:21:12,338 --> 00:21:15,039 but let's go find the dummies and check it out. 515 00:21:15,041 --> 00:21:19,410 Oh, my god. Look at the crater. That is insane. 516 00:21:19,412 --> 00:21:20,411 -Crazy. -It's a pretty good hole. 517 00:21:20,413 --> 00:21:22,079 Yeah. [ laughs ] 518 00:21:22,081 --> 00:21:23,981 and look, you hit your dummy. 519 00:21:23,983 --> 00:21:27,251 Yeah, we got him with a bit of suspension parts. 520 00:21:27,253 --> 00:21:30,354 The engine block is pretty much all that's left. 521 00:21:30,356 --> 00:21:33,090 He got snagged up on a little bit of frag. 522 00:21:33,092 --> 00:21:35,192 Got some good aim there, jon. 523 00:21:35,194 --> 00:21:39,664 Tory: All right, so how did we fare? 524 00:21:39,666 --> 00:21:41,365 -[ laughs ] -I don't know what you're doing. 525 00:21:41,367 --> 00:21:44,101 You're doing some yoga or something. 526 00:21:44,103 --> 00:21:46,504 Tried that before. 527 00:21:46,506 --> 00:21:49,140 Jonathan: So that's why you don't sit against the wall 528 00:21:49,142 --> 00:21:52,209 when a shock goes off behind you. 529 00:21:52,211 --> 00:21:55,246 -If you noticed yours moved -- -yeah. 530 00:21:55,248 --> 00:21:57,481 ...That one didn't. 531 00:21:57,483 --> 00:22:00,351 We knocked his hat off, but he's still sitting there. 532 00:22:00,353 --> 00:22:02,353 You guys got the shock of the shock waves 533 00:22:02,355 --> 00:22:04,522 going through the wall. -Oh... 534 00:22:04,524 --> 00:22:07,158 It smacked you in the back and knocked you forward. 535 00:22:07,160 --> 00:22:09,193 So like in all those movies and they're like, 536 00:22:09,195 --> 00:22:10,695 they're like, "oh!" 537 00:22:10,697 --> 00:22:11,829 bad idea. 538 00:22:11,831 --> 00:22:12,997 All right, what about this guy? 539 00:22:12,999 --> 00:22:16,033 He got hit and his foils blown out. 540 00:22:16,035 --> 00:22:18,302 So the shockwave just went straight over the wall. 541 00:22:18,304 --> 00:22:21,539 Straight over and hit him. He's definitely dead. 542 00:22:21,541 --> 00:22:23,007 Tory: After checking out the data. 543 00:22:23,009 --> 00:22:25,776 My dummy saw a peak pressure of eight psi 544 00:22:25,778 --> 00:22:29,580 and a total pressure of 54.7 which means... 545 00:22:29,582 --> 00:22:31,282 You're a goner, bro. 546 00:22:31,284 --> 00:22:34,285 Tory: Tommy saw peak pressure at 6.6 psi 547 00:22:34,287 --> 00:22:36,120 and a total pressure of 47. 548 00:22:36,122 --> 00:22:39,090 So even though both of us were safely in the blast shadow, 549 00:22:39,092 --> 00:22:40,825 there was enough concussive force 550 00:22:40,827 --> 00:22:43,194 traveling through the wall to take us both out. 551 00:22:43,196 --> 00:22:45,229 But the mannequin in the chair survived? 552 00:22:45,231 --> 00:22:46,330 Right. 553 00:22:46,332 --> 00:22:47,898 Because he was just in the right space. 554 00:22:47,900 --> 00:22:51,102 He's in the exact right spot. He's in the center of the wall, 555 00:22:51,104 --> 00:22:54,372 so he's protected on three sides from that shockwave 556 00:22:54,374 --> 00:22:55,673 coming around the wall. 557 00:22:55,675 --> 00:22:58,743 And he's not sitting against the wall. 558 00:22:58,745 --> 00:23:01,178 That's what shielding can do for you. 559 00:23:01,180 --> 00:23:02,546 That's amazing. 560 00:23:02,548 --> 00:23:04,448 So we didn't make it this time, 561 00:23:04,450 --> 00:23:09,220 but what about our instagrammer behind the window? 562 00:23:09,222 --> 00:23:10,855 I can't believe this phone survived. 563 00:23:10,857 --> 00:23:11,956 Yeah. 564 00:23:11,958 --> 00:23:15,326 -Whoa. -Oh. 565 00:23:15,328 --> 00:23:17,294 If the blast wave didn't kill him, 566 00:23:17,296 --> 00:23:18,729 the glass definitely would've. 567 00:23:18,731 --> 00:23:19,997 I'd hit him with follow. 568 00:23:19,999 --> 00:23:21,632 Tory: Now that we've learned some strategies 569 00:23:21,634 --> 00:23:23,134 about blast shielding, 570 00:23:23,136 --> 00:23:26,003 we've got one last chance to apply our knowledge 571 00:23:26,005 --> 00:23:27,571 and prove ourselves. 572 00:23:27,573 --> 00:23:28,906 There's no way. 573 00:23:28,908 --> 00:23:31,475 Or you failed the test and we kick you out of school. 574 00:23:31,477 --> 00:23:33,077 Is that really gonna do anything? 575 00:23:33,079 --> 00:23:34,779 I didn't even slow it down. 576 00:23:34,781 --> 00:23:37,014 -What? -Go...Yourself. 577 00:23:43,756 --> 00:23:44,789 ♪ 578 00:23:44,791 --> 00:23:45,890 tory: We've got one final challenge 579 00:23:45,892 --> 00:23:46,891 here at new mexico tech. 580 00:23:46,893 --> 00:23:48,526 It's time to see if tommy and I 581 00:23:48,528 --> 00:23:51,429 could put together all we've learned about blast waves. 582 00:23:51,431 --> 00:23:53,998 You've learned a lot with all this blast wave work. 583 00:23:54,000 --> 00:23:56,333 Now you're gonna put that knowledge to use 584 00:23:56,335 --> 00:23:59,336 or you failed the test and we kick you out of school. 585 00:23:59,338 --> 00:24:01,672 [ laughs ] oh, great. No pressure. 586 00:24:01,674 --> 00:24:04,108 Here's how this final challenge is gonna work. 587 00:24:04,110 --> 00:24:05,576 We've got two walls. 588 00:24:05,578 --> 00:24:07,912 Tommy's is made out of brick and my wall 589 00:24:07,914 --> 00:24:09,380 is made out of cinder block. 590 00:24:09,382 --> 00:24:11,615 Mike and jon are gonna try to knock them down 591 00:24:11,617 --> 00:24:13,284 with 200 pounds of anfo. 592 00:24:13,286 --> 00:24:17,121 Tommy and I have to try and stop them using only these buckets. 593 00:24:17,123 --> 00:24:20,090 Tommy's are full of water. Mine are filled with sand. 594 00:24:20,092 --> 00:24:22,593 This is gonna be a good test of what you've learned. 595 00:24:22,595 --> 00:24:25,162 So the question is where do we place 596 00:24:25,164 --> 00:24:26,530 -these protective materials? -Right. 597 00:24:26,532 --> 00:24:29,166 Are we going, like, against our wall, 598 00:24:29,168 --> 00:24:32,970 in the middle or right against the explosives. 599 00:24:32,972 --> 00:24:35,806 We're also gonna go back to our tried and true dummies 600 00:24:35,808 --> 00:24:37,842 and see if they can survive the blast waves 601 00:24:37,844 --> 00:24:39,410 from inside the room. 602 00:24:39,412 --> 00:24:41,412 -Good luck. -Whatever. 603 00:24:41,414 --> 00:24:42,813 I was talking to my dummy. 604 00:24:42,815 --> 00:24:45,483 We've learned our lesson from the other glass. 605 00:24:45,485 --> 00:24:48,152 Both of us place our dummies as far away from the blast 606 00:24:48,154 --> 00:24:52,356 as possible in the back corner of the room. 607 00:24:52,358 --> 00:24:53,790 Tommy's up first. 608 00:24:53,792 --> 00:24:55,860 [ laughs ] I just had a good idea. 609 00:24:55,862 --> 00:24:57,161 -Yeah? -Yeah. 610 00:24:57,163 --> 00:25:00,064 I feel like the water is gonna be a factor 611 00:25:00,066 --> 00:25:02,066 in, like, destroying the wall. 612 00:25:02,068 --> 00:25:04,101 So I'm gonna make it as safe as possible 613 00:25:04,103 --> 00:25:05,603 by putting it as far over there 614 00:25:05,605 --> 00:25:08,606 as possible and high so it's not wide. 615 00:25:08,608 --> 00:25:10,207 Okay. Get stacking. 616 00:25:10,209 --> 00:25:11,208 -All right. -All right. 617 00:25:11,210 --> 00:25:13,210 I feel like that's my best bet. 618 00:25:13,212 --> 00:25:14,979 Tory: So sometimes when water is hit 619 00:25:14,981 --> 00:25:17,047 with a really strong explosive force, 620 00:25:17,049 --> 00:25:19,416 it essentially becomes a projectile and inflicts 621 00:25:19,418 --> 00:25:22,019 even more damage than a blast would on its own. 622 00:25:22,021 --> 00:25:25,155 So tommy might be onto something here, maybe. 623 00:25:25,157 --> 00:25:27,124 Well, it's just on a little bit of angle. 624 00:25:27,126 --> 00:25:28,292 Tory: But you know... 625 00:25:28,294 --> 00:25:29,627 Look out for... [ speaks indistinctly ] 626 00:25:29,629 --> 00:25:32,162 tory: ...Probably not. 627 00:25:32,164 --> 00:25:33,330 Uh-oh. I didn't do that. 628 00:25:33,332 --> 00:25:35,599 Tory: After a quick cleanup on aisle seven, 629 00:25:35,601 --> 00:25:38,102 it's time to see if his strategy works. 630 00:25:38,104 --> 00:25:42,139 Let's head back to the bunker and blow this popsicle stand. 631 00:25:42,141 --> 00:25:44,375 Jonathan: Okay, charging. 632 00:25:44,377 --> 00:25:45,943 Do you want to say anything before you say 633 00:25:45,945 --> 00:25:47,478 goodbye to your wall? 634 00:25:47,480 --> 00:25:49,713 Any last words, tommy? 635 00:25:49,715 --> 00:25:51,482 Go...Yourself. 636 00:25:51,484 --> 00:25:54,118 Okay, here we go. 637 00:25:54,120 --> 00:25:57,454 In three, two, one. 638 00:25:57,456 --> 00:26:00,157 [ explosion ] 639 00:26:00,159 --> 00:26:03,594 what the hell? 640 00:26:03,596 --> 00:26:04,995 [ explosion ] 641 00:26:04,997 --> 00:26:06,697 that was huge. 642 00:26:06,699 --> 00:26:08,265 I don't think anything would have stopped 643 00:26:08,267 --> 00:26:10,367 that wall from getting destroyed. 644 00:26:10,369 --> 00:26:12,102 All right, let's go see if you survived. 645 00:26:12,104 --> 00:26:13,504 [ laughs ] 646 00:26:13,506 --> 00:26:18,242 ♪ 647 00:26:18,244 --> 00:26:20,411 whoa. [ laughs ] 648 00:26:20,413 --> 00:26:23,547 dude, your dummy is gone. 649 00:26:23,549 --> 00:26:24,915 I knew it was gonna be bad. 650 00:26:24,917 --> 00:26:29,019 I didn't know it was gonna be that bad. 651 00:26:29,021 --> 00:26:30,354 Any sign of him yet? 652 00:26:30,356 --> 00:26:33,524 -Nope. -It didn't even slow it down. 653 00:26:33,526 --> 00:26:37,595 Jon huffed and puffed and blew my wall down. 654 00:26:37,597 --> 00:26:39,797 Rotten bastard. 655 00:26:39,799 --> 00:26:42,433 -Hey, there he is. -[ laughs ] 656 00:26:42,435 --> 00:26:43,500 do you want to check the sensors? 657 00:26:43,502 --> 00:26:45,669 See if he survived. 658 00:26:45,671 --> 00:26:47,237 Do you want to catch a fast brick? 659 00:26:47,239 --> 00:26:51,942 I don't think he's gonna survive. 660 00:26:51,944 --> 00:26:54,144 The fact that the sensors are destroyed 661 00:26:54,146 --> 00:26:56,847 pretty much tells us everything we need to know here. 662 00:26:56,849 --> 00:27:01,218 I'm gonna go work on mine. Good luck saving your dummy. 663 00:27:01,220 --> 00:27:03,487 I don't even think there's a way to save these walls 664 00:27:03,489 --> 00:27:07,658 after seeing how big these 200-pound explosions are. 665 00:27:07,660 --> 00:27:09,426 I mean, I think he would have been better off 666 00:27:09,428 --> 00:27:11,428 doing something with those buckets. 667 00:27:11,430 --> 00:27:15,599 But now it's my turn. 668 00:27:15,601 --> 00:27:17,668 My strategy is -- I'm just gonna load up 669 00:27:17,670 --> 00:27:21,238 a bunch of the buckets of sand right next to the blast. 670 00:27:21,240 --> 00:27:24,675 Pile everything up on top of my anfo. 671 00:27:24,677 --> 00:27:29,046 So that way when it goes off, this absorbs all that energy 672 00:27:29,048 --> 00:27:30,681 and then it doesn't reach my wall. 673 00:27:30,683 --> 00:27:34,051 I'm just wondering like what the best way to stack these? 674 00:27:34,053 --> 00:27:35,786 Do I just do like a double wall? 675 00:27:35,788 --> 00:27:37,955 I mean, most of the shockwave is gonna be hello 676 00:27:37,957 --> 00:27:40,391 or do I have, is that it? That's all the buckets I have? 677 00:27:40,393 --> 00:27:42,793 Like some further backs of it. 678 00:27:42,795 --> 00:27:45,329 Hmm, I don't know. 679 00:27:45,331 --> 00:27:49,233 Is that really gonna do anything? 680 00:27:49,235 --> 00:27:50,267 All right there. 681 00:27:50,269 --> 00:27:51,435 Oh, I think that one bucket on top 682 00:27:51,437 --> 00:27:53,404 is just gonna do it for you. 683 00:27:53,406 --> 00:27:55,706 Is that that bucket there for balance? 684 00:27:55,708 --> 00:27:57,875 See? This is what I got to deal with. 685 00:27:57,877 --> 00:27:59,843 [ laughter ] 686 00:27:59,845 --> 00:28:03,113 tory: Forget it. I'm just going to go with my gut. 687 00:28:03,115 --> 00:28:07,751 Let's head to the bunker and see what happens. 688 00:28:07,753 --> 00:28:10,487 -Okay. Is everybody ready? -Ready. 689 00:28:10,489 --> 00:28:12,923 Here we go in three, two, one. 690 00:28:12,925 --> 00:28:15,125 [ explosion ] 691 00:28:15,127 --> 00:28:17,861 -there's no way. -Yours looks like it was bigger. 692 00:28:17,863 --> 00:28:20,898 There's no way that wall survived. 693 00:28:20,900 --> 00:28:23,467 I get the feeling that no matter how I stack my buckets, 694 00:28:23,469 --> 00:28:25,769 that wall was doomed. 695 00:28:25,771 --> 00:28:27,604 Just look at the way the blast reaches 696 00:28:27,606 --> 00:28:30,974 all the way over to tommy's room and knocks debris off the roof 697 00:28:30,976 --> 00:28:32,943 and I'm pretty sure those are some of my bricks 698 00:28:32,945 --> 00:28:34,311 flying through the air. 699 00:28:34,313 --> 00:28:35,679 There's no way. 700 00:28:35,681 --> 00:28:37,481 I can't even see, there's a big cloud of dust. 701 00:28:37,483 --> 00:28:40,317 But as long as I have one tiny cinder block standing, 702 00:28:40,319 --> 00:28:42,252 I'll have done better than tommy. 703 00:28:42,254 --> 00:28:46,323 So your scheme, even though the wall fell down, 704 00:28:46,325 --> 00:28:47,758 it worked pretty good. 705 00:28:47,760 --> 00:28:51,695 There's just a slight amount of debris on the back wall 706 00:28:51,697 --> 00:28:52,896 and your mannequin. 707 00:28:52,898 --> 00:28:54,465 Look, I put him in the right spot. 708 00:28:54,467 --> 00:28:57,601 You put him in the exact right location. 709 00:28:57,603 --> 00:28:59,970 Tory: So just like the walls at the urban canyon 710 00:28:59,972 --> 00:29:02,139 and the bigger wall in the car bomb, 711 00:29:02,141 --> 00:29:05,943 my buckets of sand essentially created a small blast shadow, 712 00:29:05,945 --> 00:29:07,811 which deflected some of the damage. 713 00:29:07,813 --> 00:29:09,880 This same principle has been used to design 714 00:29:09,882 --> 00:29:12,549 military bases for decades. 715 00:29:12,551 --> 00:29:15,452 The fact that you actually put your mitigation scheme 716 00:29:15,454 --> 00:29:19,056 between the wall and the charge made all the difference. 717 00:29:19,058 --> 00:29:22,793 Tommy's if he would have put it next to the charge, 718 00:29:22,795 --> 00:29:24,628 but not in contact with the charge, 719 00:29:24,630 --> 00:29:28,232 it might've worked to help mitigate the blast. 720 00:29:28,234 --> 00:29:31,034 I may have gotten beaten today, but the best part 721 00:29:31,036 --> 00:29:34,138 about explosions is, I mean, hey, we all win 722 00:29:34,140 --> 00:29:35,706 because we've got to watch an explosion. 723 00:29:35,708 --> 00:29:39,476 [ explosion ] 724 00:29:39,478 --> 00:29:41,011 I did suck, though. 725 00:29:41,013 --> 00:29:43,213 Well, it has been a very informative day 726 00:29:43,215 --> 00:29:44,815 here at new mexico tech. 727 00:29:44,817 --> 00:29:46,817 You guys are awesome. Did great job. 728 00:29:46,819 --> 00:29:48,485 Well, we've enjoyed having you guys here 729 00:29:48,487 --> 00:29:50,621 and we hope to see you again soon. 730 00:29:50,623 --> 00:29:53,690 Tory: We sacrificed a lot of dummies to learn one thing -- 731 00:29:53,692 --> 00:29:57,795 best place to be in an explosion is as far away as possible. 732 00:29:57,797 --> 00:30:00,197 Not that we're gonna actually heed that advice. 733 00:30:00,199 --> 00:30:01,865 What else can we blow up, tommy? 734 00:30:01,867 --> 00:30:03,634 60 thousand pounds. 735 00:30:03,636 --> 00:30:06,570 That is the most anfo I've ever seen. 736 00:30:06,572 --> 00:30:09,006 -What shouldn't I touch? -I just got more nervous. 737 00:30:09,008 --> 00:30:11,642 -Oh, my... -Whoa! 738 00:30:19,251 --> 00:30:21,418 Man: And action. 739 00:30:21,420 --> 00:30:25,322 ♪ 740 00:30:25,324 --> 00:30:26,657 action. 741 00:30:26,659 --> 00:30:27,825 On this show, we talk... 742 00:30:27,827 --> 00:30:29,827 [ beeping ] 743 00:30:29,829 --> 00:30:31,261 whose idea was it to shoot 744 00:30:31,263 --> 00:30:34,064 the intro right next to the weigh-in station? 745 00:30:34,066 --> 00:30:35,699 That's what I want to know. 746 00:30:35,701 --> 00:30:38,202 On this show, we talk a lot about blowing stuff up, 747 00:30:38,204 --> 00:30:40,370 but today we're gonna be blowing stuff down. 748 00:30:40,372 --> 00:30:41,905 What? 749 00:30:41,907 --> 00:30:44,942 Tory: We're here at the arizona drilling and blasting company 750 00:30:44,944 --> 00:30:46,710 where they use massive explosions 751 00:30:46,712 --> 00:30:48,679 to turn big rocks into aggregate, 752 00:30:48,681 --> 00:30:50,681 the small stones used in building materials 753 00:30:50,683 --> 00:30:52,816 like concrete and asphalt for their clients 754 00:30:52,818 --> 00:30:54,084 in the construction industry. 755 00:30:54,086 --> 00:30:55,252 They're gonna show us 756 00:30:55,254 --> 00:30:57,154 how they create explosions large enough 757 00:30:57,156 --> 00:31:01,358 to literally move mountains by drilling holes in the earth... 758 00:31:01,360 --> 00:31:03,360 ♪ 759 00:31:03,362 --> 00:31:06,730 packing them with anfo 760 00:31:06,732 --> 00:31:08,732 and blowing them up. 761 00:31:08,734 --> 00:31:12,135 [ explosion ] 762 00:31:12,137 --> 00:31:14,571 scott, the area manager here at the quarry 763 00:31:14,573 --> 00:31:16,406 has a set of freshly drilled holes 764 00:31:16,408 --> 00:31:19,176 that need a dose of our good old friend anfo. 765 00:31:19,178 --> 00:31:20,878 How much are we using? 766 00:31:20,880 --> 00:31:22,312 60 thousand pounds. 767 00:31:22,314 --> 00:31:23,547 -What? -Jeez. 768 00:31:23,549 --> 00:31:26,583 That is the most anfo I've ever seen. 769 00:31:26,585 --> 00:31:28,285 Are you gonna let us fill the holes? 770 00:31:28,287 --> 00:31:31,588 Yep, as a matter of fact, we got a job waiting for you right now. 771 00:31:31,590 --> 00:31:33,423 [ laughter ] 772 00:31:33,425 --> 00:31:35,993 tory: For centuries, the process of quarrying rocks 773 00:31:35,995 --> 00:31:38,595 required hand tools and hundreds of workers 774 00:31:38,597 --> 00:31:40,430 doing backbreaking labor. 775 00:31:40,432 --> 00:31:42,466 It was generally not a good time, 776 00:31:42,468 --> 00:31:45,802 but then along came explosions and everything got a lot better. 777 00:31:45,804 --> 00:31:48,105 [ explosion ] 778 00:31:48,107 --> 00:31:50,073 the kinds of explosives used in mining 779 00:31:50,075 --> 00:31:52,142 and quarrying have evolved from black powder... 780 00:31:52,144 --> 00:31:53,577 [ explosion ] 781 00:31:53,579 --> 00:31:54,945 ...To tnt... 782 00:31:54,947 --> 00:31:56,313 [ explosion ] 783 00:31:56,315 --> 00:31:58,916 ...To today's preferred explosive -- anfo, 784 00:31:58,918 --> 00:32:03,420 which is cheap to produce, easy to control, and very powerful. 785 00:32:03,422 --> 00:32:07,190 ♪ 786 00:32:07,192 --> 00:32:10,694 that whole truck is filled with nothing but anfo. 787 00:32:10,696 --> 00:32:11,728 Absolutely terrifying. 788 00:32:11,730 --> 00:32:13,530 And how many pounds is it there? 789 00:32:13,532 --> 00:32:14,598 20 thousand pounds. 790 00:32:14,600 --> 00:32:17,034 -20 thousand pounds? -Yeah. 791 00:32:17,036 --> 00:32:19,436 When you're dealing with massive amounts of explosives, 792 00:32:19,438 --> 00:32:21,204 safety is key. 793 00:32:21,206 --> 00:32:23,273 At least you would think so. 794 00:32:23,275 --> 00:32:27,678 I love that they just let anfo just spray out everywhere, 795 00:32:27,680 --> 00:32:29,346 like you remember how careful they were with it 796 00:32:29,348 --> 00:32:30,747 up at the bomb range? 797 00:32:30,749 --> 00:32:32,182 And they're just like... [ mimics machinery ] 798 00:32:32,184 --> 00:32:33,483 I don't know. 799 00:32:33,485 --> 00:32:34,618 When we were out in new mexico 800 00:32:34,620 --> 00:32:36,153 and we were, like, handling the anfo 801 00:32:36,155 --> 00:32:38,555 like it was like this precious compound that if we dropped it, 802 00:32:38,557 --> 00:32:40,223 it was gonna blow up in our faces. 803 00:32:40,225 --> 00:32:42,359 Jon: Don't pour it too fast now. 804 00:32:42,361 --> 00:32:45,495 Tory: Out here, these guys are just dumping it everywhere. 805 00:32:45,497 --> 00:32:47,097 It's like they're having a good time. 806 00:32:47,099 --> 00:32:48,598 All right, should we start filling holes? 807 00:32:48,600 --> 00:32:51,034 Yep, let's do it. 808 00:32:51,036 --> 00:32:55,172 Yeah, here we go. 809 00:32:55,174 --> 00:32:56,740 [ horn honks ] 810 00:32:56,742 --> 00:33:01,044 oh, no. All right. I just got a little bit more nervous. 811 00:33:01,046 --> 00:33:03,914 All right, man, I know I'm supposed to be driving 812 00:33:03,916 --> 00:33:05,248 this really dangerous truck right now, 813 00:33:05,250 --> 00:33:08,652 but, like, what shouldn't I touch? 814 00:33:08,654 --> 00:33:10,053 -Everything. -[ laughs ] 815 00:33:10,055 --> 00:33:12,522 -that's not a good help. -Yeah. 816 00:33:12,524 --> 00:33:13,657 Tory: The first job is doing 817 00:33:13,659 --> 00:33:15,425 something called priming the hole. 818 00:33:15,427 --> 00:33:18,195 Anfo is what's called a tertiary explosive. 819 00:33:18,197 --> 00:33:22,099 That means he can't be set off directly by fire or by impact, 820 00:33:22,101 --> 00:33:24,768 instead it needs a primary explosive, 821 00:33:24,770 --> 00:33:27,637 in this case, a small blasting cap of black powder, 822 00:33:27,639 --> 00:33:30,173 and a secondary explosive called a booster. 823 00:33:30,175 --> 00:33:33,110 When triggered, the blasting cap is ignited remotely, 824 00:33:33,112 --> 00:33:37,781 which sets off the booster, which in turn sets off the anfo. 825 00:33:37,783 --> 00:33:38,815 Hey, man, get out of the way, 826 00:33:38,817 --> 00:33:41,418 I ain't got time for stupid today. 827 00:33:41,420 --> 00:33:42,886 Tory: Once the hole is primed, 828 00:33:42,888 --> 00:33:45,088 it's time for tony to bring over the anfo. 829 00:33:45,090 --> 00:33:47,491 He kind of looks like he worked here already, huh? 830 00:33:47,493 --> 00:33:49,659 Yeah, he looks like that guy over there. 831 00:33:49,661 --> 00:33:52,062 -That's his brother. -[ laughs ] 832 00:33:54,166 --> 00:33:56,466 yeah. That's the boom juice. 833 00:33:56,468 --> 00:33:57,534 All right. 834 00:33:57,536 --> 00:34:00,737 Hey, man, you ready for a squishy? 835 00:34:00,739 --> 00:34:02,839 Tory: As tommy delivers the boom juice, 836 00:34:02,841 --> 00:34:04,574 I'm measuring how much he's using. 837 00:34:04,576 --> 00:34:07,277 That's a lot of anfo. 838 00:34:07,279 --> 00:34:10,147 It's like a really, really dangerous video game. 839 00:34:10,149 --> 00:34:11,915 -Exactly. -We're there. 840 00:34:11,917 --> 00:34:14,117 We're there. Whoo! 841 00:34:14,119 --> 00:34:16,253 How many holes did we have to fill? 842 00:34:16,255 --> 00:34:17,921 98 holes. 843 00:34:17,923 --> 00:34:20,223 -98? -98. 844 00:34:20,225 --> 00:34:23,560 Tory: 98 is a lot of holes. Let's speed this up. 845 00:34:23,562 --> 00:34:26,696 I think it's time for a montage. 846 00:34:26,698 --> 00:34:28,532 Release the anfo! 847 00:34:28,534 --> 00:34:30,734 Yeah, man. 848 00:34:30,736 --> 00:34:32,235 We're there. 849 00:34:32,237 --> 00:34:33,937 All right, we're there. 850 00:34:33,939 --> 00:34:35,605 Moving on. 851 00:34:35,607 --> 00:34:36,807 Let her rip. 852 00:34:36,809 --> 00:34:39,876 ♪ 853 00:34:39,878 --> 00:34:41,845 you're good. 854 00:34:41,847 --> 00:34:43,780 On to the next. 855 00:34:43,782 --> 00:34:47,984 ♪ 856 00:34:47,986 --> 00:34:51,254 there we go, perfect. 857 00:34:51,256 --> 00:34:52,556 I feel good. 858 00:34:52,558 --> 00:34:55,926 I feel like the most dangerous part of this whole day 859 00:34:55,928 --> 00:34:57,761 is having tommy behind the wheel. 860 00:34:57,763 --> 00:35:00,130 I'm doing my dream job right now, filling hot holes, man. 861 00:35:00,132 --> 00:35:01,865 Yeah, it's like your wedding night. 862 00:35:01,867 --> 00:35:04,601 Only better. It's not gonna be so disappointing. 863 00:35:04,603 --> 00:35:06,837 [ laughs ] 864 00:35:06,839 --> 00:35:08,638 tory: When we filled the holes up with anfo, 865 00:35:08,640 --> 00:35:11,441 we left about 16 feet of space at the top. 866 00:35:11,443 --> 00:35:13,110 That's because we need to top them off 867 00:35:13,112 --> 00:35:15,979 with stemming material, which sits on top of the anfo 868 00:35:15,981 --> 00:35:18,148 and forces the blast to break up the rock. 869 00:35:18,150 --> 00:35:19,416 It doesn't sound like much, 870 00:35:19,418 --> 00:35:21,485 but it's actually a really important step. 871 00:35:21,487 --> 00:35:22,953 So, like, if you don't pack 872 00:35:22,955 --> 00:35:25,388 the rock enough on top of the anfo, 873 00:35:25,390 --> 00:35:26,556 what happens? 874 00:35:26,558 --> 00:35:28,391 Basically that hole is just gonna shoot 875 00:35:28,393 --> 00:35:31,228 a big wide puff of smoke straight up in the air. 876 00:35:31,230 --> 00:35:32,662 And you don't want to see that? 877 00:35:32,664 --> 00:35:36,266 No, because then that means nothing around this whole area 878 00:35:36,268 --> 00:35:38,735 is broken up now for them to dig. 879 00:35:38,737 --> 00:35:40,537 Tory: With the stemming process complete, 880 00:35:40,539 --> 00:35:42,906 it's time to blow this mountain to bits. 881 00:35:42,908 --> 00:35:45,208 ♪ 882 00:35:45,210 --> 00:35:47,477 [ alarm wailing ] 883 00:35:47,479 --> 00:35:52,349 we're about to set off 60,000 pounds of anfo 884 00:35:52,351 --> 00:35:54,818 and knock the side of the hill down. 885 00:35:54,820 --> 00:35:57,187 You excited? 886 00:35:57,189 --> 00:35:58,421 We've been hearing about anfo 887 00:35:58,423 --> 00:36:01,324 and how that has the heaving power, the pushing power. 888 00:36:01,326 --> 00:36:03,627 Now we're gonna see it firsthand. 889 00:36:03,629 --> 00:36:06,229 Let's light this hill on fire. 890 00:36:06,231 --> 00:36:09,432 All right, guys, we all ready? 891 00:36:09,434 --> 00:36:11,835 Attention personnel, 892 00:36:11,837 --> 00:36:16,039 firing in ten, nine, eight, 893 00:36:16,041 --> 00:36:22,012 seven, six, five... 894 00:36:22,014 --> 00:36:24,181 Fire in the hole! 895 00:36:24,183 --> 00:36:30,954 [ explosion ] 896 00:36:30,956 --> 00:36:33,557 -oh, that was awesome. -Oh, man. 897 00:36:33,559 --> 00:36:36,059 That whole mountain just, like, lifted up. 898 00:36:36,061 --> 00:36:41,464 ♪ 899 00:36:41,466 --> 00:36:42,732 that was a lot of energy. 900 00:36:42,734 --> 00:36:44,434 -Dude. -That was sick. 901 00:36:44,436 --> 00:36:46,970 -We're like regular quarrymen, -I got get me one of these. 902 00:36:46,972 --> 00:36:49,306 Yeah, get you one of those. 903 00:36:49,308 --> 00:36:51,041 This was amazing to witness. 904 00:36:51,043 --> 00:36:52,609 All that anfo just released 905 00:36:52,611 --> 00:36:55,145 roughly the same amount of energy is an earthquake. 906 00:36:55,147 --> 00:36:57,380 Now you know what 60,000 pounds looks like. 907 00:36:57,382 --> 00:36:58,915 Tory: In just a matter of seconds, 908 00:36:58,917 --> 00:37:00,717 we transform a solid mountain 909 00:37:00,719 --> 00:37:04,254 into 61,000 cubic yards of building material. 910 00:37:04,256 --> 00:37:06,790 You guys ready to go do it again? 911 00:37:06,792 --> 00:37:07,958 Yes, sir. 912 00:37:07,960 --> 00:37:09,626 The next one is gonna be a lot better. 913 00:37:09,628 --> 00:37:10,627 Awesome. 914 00:37:10,629 --> 00:37:13,430 Better than that? 915 00:37:13,432 --> 00:37:15,265 Oh, hell, yeah. 916 00:37:15,267 --> 00:37:18,335 -A little bit higher out here. -I felt this whole earth shake. 917 00:37:18,337 --> 00:37:19,970 Go faster, guys. 918 00:37:19,972 --> 00:37:22,105 Oh, oh, oh... 919 00:37:22,107 --> 00:37:25,208 -That's wild. -That was worth all of this. 920 00:37:31,984 --> 00:37:36,086 ♪ 921 00:37:36,088 --> 00:37:39,222 ooh, a little bit higher out here. 922 00:37:39,224 --> 00:37:44,160 Yeah, so on the other side of these holes is a 90-foot cliff. 923 00:37:44,162 --> 00:37:47,097 So what's the difference between this quarry and the last quarry? 924 00:37:47,099 --> 00:37:49,332 We're blasting a little bit different material. 925 00:37:49,334 --> 00:37:52,469 We're blasting dolomite on the other side we were on. 926 00:37:52,471 --> 00:37:54,170 This is conglomerate. 927 00:37:54,172 --> 00:37:56,806 Tory: Conglomerate is tougher to blast apart. 928 00:37:56,808 --> 00:37:59,309 So the holes have to be drilled in a tighter pattern 929 00:37:59,311 --> 00:38:01,645 and they need to use even more anfo. 930 00:38:01,647 --> 00:38:03,079 Now on the last shot 931 00:38:03,081 --> 00:38:06,916 we use about 1,100 pounds of anfo per hole. 932 00:38:06,918 --> 00:38:08,718 How much are we using on these holes? 933 00:38:08,720 --> 00:38:13,189 So these holes up here are about 1,430 pounds in total. 934 00:38:13,191 --> 00:38:14,658 -Per hole. -Per hole. 935 00:38:14,660 --> 00:38:15,659 And that's just because 936 00:38:15,661 --> 00:38:17,494 the material here is much stronger. 937 00:38:17,496 --> 00:38:18,828 Yeah, because if you look at the way 938 00:38:18,830 --> 00:38:20,230 the material lays in there, 939 00:38:20,232 --> 00:38:23,667 it kind of lays out an angle this way, going along the wall, 940 00:38:23,669 --> 00:38:26,369 so we're trying to use the lay of the rock, 941 00:38:26,371 --> 00:38:28,538 how it's laid in there to shoot against it 942 00:38:28,540 --> 00:38:30,540 to hopefully get the better fragmentation. 943 00:38:30,542 --> 00:38:32,976 So it's not just about breaking it down, 944 00:38:32,978 --> 00:38:35,312 it's about the size of the debris. 945 00:38:35,314 --> 00:38:37,447 Yeah. 946 00:38:37,449 --> 00:38:38,715 Tory: Once scott and his team 947 00:38:38,717 --> 00:38:41,751 get the rock broken down into a manageable size, 948 00:38:41,753 --> 00:38:43,353 it can get fed into machines 949 00:38:43,355 --> 00:38:45,322 and eventually turned into building materials 950 00:38:45,324 --> 00:38:46,323 like concrete. 951 00:38:46,325 --> 00:38:47,424 Everything here just seems like 952 00:38:47,426 --> 00:38:49,659 it's a lot more involved in the last site. 953 00:38:49,661 --> 00:38:51,795 Yeah, the last site it's pretty straight forward. 954 00:38:51,797 --> 00:38:53,763 But this is the stuff that I really like 955 00:38:53,765 --> 00:38:55,065 because there's a lot of planning 956 00:38:55,067 --> 00:38:58,334 and everything that went into laying that shot out 957 00:38:58,336 --> 00:39:00,670 and drilling it the way that we did. 958 00:39:00,672 --> 00:39:03,039 Tory: The plan here is to time the explosions 959 00:39:03,041 --> 00:39:04,541 in a specific sequence 960 00:39:04,543 --> 00:39:06,810 so they use the leverage of the cliff side 961 00:39:06,812 --> 00:39:09,479 to push the material out and away from the site. 962 00:39:09,481 --> 00:39:10,814 If everything goes right, 963 00:39:10,816 --> 00:39:12,749 they'll leave a straight line at the back 964 00:39:12,751 --> 00:39:14,718 and push all of the material forward 965 00:39:14,720 --> 00:39:19,556 where it's ready to be hauled away. 966 00:39:19,558 --> 00:39:23,526 The anfo has arrived. 967 00:39:23,528 --> 00:39:26,162 Think we're gonna get this done before sun down? 968 00:39:26,164 --> 00:39:28,598 If we get going right now, we should have her licked. 969 00:39:28,600 --> 00:39:30,467 Well, then why don't we just get out of your way 970 00:39:30,469 --> 00:39:32,836 and we'll just be your cheerleaders. 971 00:39:32,838 --> 00:39:37,240 That would be awesome. 972 00:39:37,242 --> 00:39:39,876 I have feeling this is gonna go a lot faster 973 00:39:39,878 --> 00:39:41,911 with us out of their way. 974 00:39:41,913 --> 00:39:45,382 I don't feel like we sucked that bad. 975 00:39:45,384 --> 00:39:48,618 I don't know, kind of feel like we do. 976 00:39:48,620 --> 00:39:51,421 Now I know it may seem at first glance 977 00:39:51,423 --> 00:39:53,490 that tommy and I got demoted, 978 00:39:53,492 --> 00:39:56,459 but the way I look at it, it was a promotion. 979 00:39:56,461 --> 00:39:58,795 We're not working. We're actually foremen now. 980 00:39:58,797 --> 00:40:00,964 Hey scott, you're doing a great job. 981 00:40:00,966 --> 00:40:03,533 Yeah, man. That mix looks great, the hole looks great. 982 00:40:03,535 --> 00:40:05,101 You guys are doing awesome, man. 983 00:40:05,103 --> 00:40:07,704 We're management, baby, middle management. 984 00:40:07,706 --> 00:40:09,105 All right, how are we looking? 985 00:40:09,107 --> 00:40:11,274 We're all loaded up. All that's left to do now 986 00:40:11,276 --> 00:40:14,344 is the stemming so we can get this thing blown by sunset. 987 00:40:14,346 --> 00:40:15,945 All right, let's get the heck out of here. 988 00:40:15,947 --> 00:40:17,347 It all comes down to this. 989 00:40:17,349 --> 00:40:19,315 Time to see if all of scott's hard work 990 00:40:19,317 --> 00:40:21,785 and our extremely important supervision will payoff. 991 00:40:21,787 --> 00:40:25,655 ♪ 992 00:40:25,657 --> 00:40:27,724 oh, here we go. 993 00:40:27,726 --> 00:40:30,360 [ beeps ] 994 00:40:30,362 --> 00:40:33,630 -irish, are you still clear? -Yep. 995 00:40:33,632 --> 00:40:37,767 -Travis, you steal clear? -Yeah, we are. 996 00:40:37,769 --> 00:40:39,602 So you're gonna say, "attention personnel," 997 00:40:39,604 --> 00:40:42,772 blasting 10 to five and then... 998 00:40:42,774 --> 00:40:46,443 Attention personnel, blasting in ten, 999 00:40:46,445 --> 00:40:49,145 nine, eight, seven, 1000 00:40:49,147 --> 00:40:53,550 six, five... 1001 00:40:53,552 --> 00:40:55,985 Fire in the hole. 1002 00:40:55,987 --> 00:41:01,724 [ explosion ] 1003 00:41:01,726 --> 00:41:03,493 -oh! -Whoa! 1004 00:41:03,495 --> 00:41:05,328 What? 1005 00:41:05,330 --> 00:41:12,969 ♪ 1006 00:41:12,971 --> 00:41:16,739 oh, my god. That was worth all of this. 1007 00:41:16,741 --> 00:41:19,209 That legit felt this whole earth shake. 1008 00:41:19,211 --> 00:41:21,110 -Dude! -[ speaks indistinctly ] 1009 00:41:21,112 --> 00:41:25,148 tory: As you could see, it went exactly according to plan. 1010 00:41:25,150 --> 00:41:27,951 [ explosion ] 1011 00:41:27,953 --> 00:41:31,087 tory: The precise timing of scott's charges creates an angle 1012 00:41:31,089 --> 00:41:33,490 that naturally pushes the material forward 1013 00:41:33,492 --> 00:41:35,391 and away from the mountain. 1014 00:41:35,393 --> 00:41:40,997 ♪ 1015 00:41:40,999 --> 00:41:42,732 look at the dust cloud. 1016 00:41:42,734 --> 00:41:44,767 -That's wild, man. -I know. 1017 00:41:44,769 --> 00:41:46,636 Pretty amazing what that stuff can do. 1018 00:41:46,638 --> 00:41:49,405 Yeah, and all that hard work, 1019 00:41:49,407 --> 00:41:52,041 up in, like, a millisecond. 1020 00:41:52,043 --> 00:41:53,476 Pretty much. 1021 00:41:53,478 --> 00:41:55,111 Tory: Now that the rock is broken up, 1022 00:41:55,113 --> 00:42:00,650 it's time to start hauling it down the hill. 1023 00:42:00,652 --> 00:42:02,151 All right, scott, thank you so much 1024 00:42:02,153 --> 00:42:04,787 for the hospitality, man. It's been a blast. [ laughs ] 1025 00:42:04,789 --> 00:42:07,390 thanks for coming out, guys. We appreciate all your help. 1026 00:42:07,392 --> 00:42:09,058 Thank you for letting us get in your way 1027 00:42:09,060 --> 00:42:11,794 and letting us blow stuff up. This was awesome. 1028 00:42:11,796 --> 00:42:14,464 Any time you guys want to come back, you're more than welcome. 1029 00:42:14,466 --> 00:42:15,665 Thanks, buddy. 1030 00:42:15,667 --> 00:42:17,333 I mean, don't tease me with a good time. 1031 00:42:17,335 --> 00:42:20,837 [ laughs ] 1032 00:42:20,839 --> 00:42:23,306 oh wait, we're all driving to the same truck? 1033 00:42:23,308 --> 00:42:25,041 -Yep. -This is awkward. 1034 00:42:25,043 --> 00:42:28,545 We've got to say goodbyes again.