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1
00:00:02,000 --> 00:00:04,480
Deadly dinos, laser beams
Putrid plants, cool machines
2
00:00:04,480 --> 00:00:07,080
Hottie planets, moody moons
Strange sights, big booms
3
00:00:07,080 --> 00:00:09,880
Experiments that make you hurl
Visitors from other worlds
4
00:00:09,880 --> 00:00:12,680
Earth's core, stinky space
The future of the human race
5
00:00:12,680 --> 00:00:15,280
Science that did not go right
Things to keep you up at night
6
00:00:15,280 --> 00:00:18,240
Biology with stings and fangs
Chemistry that stinks and bangs
7
00:00:18,240 --> 00:00:20,840
Freaky physics, we do that
8
00:00:20,840 --> 00:00:23,600
Quantum gravity, what's that?
9
00:00:23,600 --> 00:00:26,320
Weird and gross stuff
you should know
10
00:00:26,320 --> 00:00:31,680
Welcome to
the Horrible Science show. #
11
00:00:32,840 --> 00:00:36,640
Light, sound
and electricity special.
12
00:00:37,600 --> 00:00:39,640
Oi, oi! 'Ello, sunshines!
13
00:00:39,640 --> 00:00:42,440
It's your favourite ball
of fiery gas.
14
00:00:42,440 --> 00:00:44,080
I'm here to gas on
15
00:00:44,080 --> 00:00:47,360
about light energy, like you get
from yours truly,
16
00:00:47,360 --> 00:00:51,760
sound energy, like my beautiful
voice you're hearing right now,
17
00:00:51,760 --> 00:00:55,360
and electricity, the kind of
electric energy you get
18
00:00:55,360 --> 00:00:58,120
when you plug something
in or use batteries.
19
00:00:59,240 --> 00:01:01,200
Ugh, typical! The batteries are
dead.
20
00:01:01,200 --> 00:01:03,640
How am I going to see now?
21
00:01:03,640 --> 00:01:05,800
Oh, yeah! I'm the sun!
22
00:01:05,800 --> 00:01:09,000
I don't need no torch
or electricity.
23
00:01:09,000 --> 00:01:10,880
But you lot love it.
24
00:01:10,880 --> 00:01:14,280
You've been obsessed with it
for centuries.
25
00:01:16,160 --> 00:01:17,240
Boom!
26
00:01:17,240 --> 00:01:19,600
{\an8}Checking out some mad science
from the past, innit.
27
00:01:19,600 --> 00:01:21,560
{\an8}Man's in Italy, my bredren,
28
00:01:21,560 --> 00:01:25,080
{\an8}Alessandro Volta, the guy
that volts is named after, innit.
29
00:01:25,080 --> 00:01:27,080
{\an8}The ting that you use to measure
electricity, guys.
30
00:01:27,080 --> 00:01:30,200
That's this guy, bruv.
Nuff respect in the ends.
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00:01:30,200 --> 00:01:32,320
My man has figured out how
you can create electricity
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00:01:32,320 --> 00:01:33,520
between two metals.
33
00:01:33,520 --> 00:01:36,440
So, he's got himself a copper disc
and a lickle piece of cardboard,
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00:01:36,440 --> 00:01:38,080
soaked that in salty water, innit,
35
00:01:38,080 --> 00:01:40,400
put that with the copper disc
and add a zinc disc
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00:01:40,400 --> 00:01:42,480
to make electric sandwich fam, aight.
37
00:01:42,480 --> 00:01:43,840
Stack these sandwiches up.
38
00:01:43,840 --> 00:01:47,040
The bigger your stack, the more
powerful the electricity. Rah!
39
00:01:47,040 --> 00:01:49,040
Volta calls this a voltaic pile.
40
00:01:49,040 --> 00:01:50,680
It's like an old-school battery, fam.
41
00:01:50,680 --> 00:01:52,160
It's bare easy to make,
42
00:01:52,160 --> 00:01:54,640
and my guy Volta is about
to test the electricity
43
00:01:54,640 --> 00:01:56,520
of his voltaic pile on himself.
44
00:01:56,520 --> 00:01:58,120
Yo, is this safe?
45
00:01:58,120 --> 00:01:59,480
Who knows?
46
00:01:59,480 --> 00:02:02,040
Oh, don't try this mad ting
at home, yeah.
47
00:02:02,040 --> 00:02:03,560
Otherwise, it's gonna mess you up,
innit.
48
00:02:03,560 --> 00:02:05,800
Um... Oh!
49
00:02:05,800 --> 00:02:08,960
Obviously, the electrical
current pass through Alessandro.
50
00:02:08,960 --> 00:02:11,480
That's why man got shocked, innit.
51
00:02:11,480 --> 00:02:15,400
It works! Fact, cuz. Stick
a fork in him. Man's done!
52
00:02:15,400 --> 00:02:18,040
No medium rare. Hey, you OK?
53
00:02:18,040 --> 00:02:20,960
I might not do that again.
54
00:02:22,200 --> 00:02:24,000
No. That's real, you know. Big Danny.
55
00:02:24,000 --> 00:02:27,120
Hey! What's good, bro? Big Manny.
What's going on, my science bro?
56
00:02:27,120 --> 00:02:28,400
Let me tell you something, yeah?
57
00:02:28,400 --> 00:02:30,640
This science from the past
is a mad ting still.
58
00:02:30,640 --> 00:02:33,360
That's facts. Mm.
Is my man OK, though?
59
00:02:33,360 --> 00:02:35,040
Yeah. My man's just asleep, man.
It's calm, man.
60
00:02:35,040 --> 00:02:37,480
Are you sure? Yeah,
don't worry about it. It's all good.
61
00:02:37,480 --> 00:02:39,480
Anyway, you know what time it is.
62
00:02:39,480 --> 00:02:40,640
BOTH: Still!
63
00:02:40,640 --> 00:02:42,480
All right, come on, let's bounce,
man. Let's roll, man.
64
00:02:43,440 --> 00:02:45,240
MAN CRIES OUT
65
00:02:43,440 --> 00:02:45,240
Oh, sorry, brother.
66
00:02:46,440 --> 00:02:49,920
Greetings! It's your main ma'am,
Queen Victoria, here,
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00:02:49,920 --> 00:02:53,640
with all the latest Victorian
technology and machines.
68
00:02:53,640 --> 00:02:55,840
STOMACH RUMBLES
69
00:02:53,640 --> 00:02:55,840
Hark! I can hear them whirring,
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00:02:55,840 --> 00:02:58,800
clunking and squeaking away
right now.
71
00:02:58,800 --> 00:03:00,880
No, sorry - that's me actually,
ma'am.
72
00:03:00,880 --> 00:03:02,720
I had your curry leftovers
for brekkie.
73
00:03:02,720 --> 00:03:04,080
HE FARTS
74
00:03:04,080 --> 00:03:06,480
Oh! Put a cork in it, Seepage.
75
00:03:06,480 --> 00:03:08,240
Welcome to Gadget Ma'am.
76
00:03:08,240 --> 00:03:10,240
HE FARTS
77
00:03:08,240 --> 00:03:10,240
Oh! Sorry.
78
00:03:22,520 --> 00:03:26,440
There have been some amazing
scientific ideas during my reign,
79
00:03:26,440 --> 00:03:28,280
and here is just one of them.
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00:03:29,720 --> 00:03:31,360
Seepage! Oh, sorry.
81
00:03:33,200 --> 00:03:37,160
Check it - electric light.
My crib, Osborne House,
82
00:03:37,160 --> 00:03:39,160
here on the Isle of Wight,
83
00:03:39,160 --> 00:03:42,400
was one of the first buildings
to be wired with electricity.
84
00:03:42,400 --> 00:03:45,480
After all, you can't do THIS
with a candle.
85
00:03:45,480 --> 00:03:46,960
SHE CLICKS FINGERS
86
00:03:46,960 --> 00:03:48,720
Seepage! Oh! Sorry, ma'am.
87
00:03:50,080 --> 00:03:51,120
On again.
88
00:03:51,120 --> 00:03:52,160
Off again.
89
00:03:54,440 --> 00:03:55,520
On again.
90
00:03:55,520 --> 00:03:56,720
Off again.
91
00:03:57,720 --> 00:04:00,680
On again. Off again. On again. Off.
92
00:04:02,840 --> 00:04:05,840
Oh, dear! Looks like I need
to get my wiring checked.
93
00:04:06,880 --> 00:04:11,040
Luckily, I look good in any light.
WEAKLY: Help...me.
94
00:04:13,040 --> 00:04:16,960
We have electricity on my planet,
Plarp, too, your madge.
95
00:04:16,960 --> 00:04:20,880
In fact, we've had the whole planet
programmed to voice commands.
96
00:04:20,880 --> 00:04:25,080
So, when I say, "Off"...
What's up, baby?
97
00:04:25,080 --> 00:04:27,080
And when I say, "On", boom!
98
00:04:27,080 --> 00:04:31,440
Say what you like about electricity
but since we've had it,
99
00:04:31,440 --> 00:04:33,080
we've been better off.
100
00:04:33,080 --> 00:04:36,480
No, I didn't mean that one. On!
101
00:04:37,480 --> 00:04:40,600
I hate it when that happens.
I get really cheesed off.
102
00:04:40,600 --> 00:04:41,640
On!
103
00:04:42,600 --> 00:04:45,560
You have to be really careful
with electricity, don't you?
104
00:04:45,560 --> 00:04:46,920
Right, I'm off.
105
00:04:46,920 --> 00:04:49,160
Aaargh!
106
00:04:49,160 --> 00:04:52,480
Evil plan 79 - magnetic malevolence.
107
00:04:52,480 --> 00:04:54,960
Tremble at my new creation,
108
00:04:54,960 --> 00:04:57,960
the Electromagnet of Doom.
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00:04:57,960 --> 00:05:00,520
HE LAUGHS EVILLY
110
00:05:00,520 --> 00:05:02,320
MILD CHEERING
111
00:05:02,320 --> 00:05:04,000
I said tremble, Agent Goody.
112
00:05:04,000 --> 00:05:07,720
Never, Dr Climbing Frame.
It's Big Brain,
113
00:05:07,720 --> 00:05:11,200
and you WILL tremble,
for this is an electromagnet,
114
00:05:11,200 --> 00:05:14,720
which means it's only magnetic when
it's turned on using electricity.
115
00:05:14,720 --> 00:05:18,720
And it's so big it'll attract
magnetic objects from far away,
116
00:05:18,720 --> 00:05:22,960
objects like - oh, I don't know -
every warship in the world.
117
00:05:25,000 --> 00:05:28,040
Ooh, and just think of all the gold
and silver it'll attract.
118
00:05:28,040 --> 00:05:30,160
No, Elaine, it's a magnet,
119
00:05:30,160 --> 00:05:33,920
so it doesn't attract non-magnetic
metals like gold and silver.
120
00:05:33,920 --> 00:05:39,360
Oh, so, no platinum or titanium
or tin, lead.
121
00:05:39,360 --> 00:05:41,160
They're all non-magnetic metals.
122
00:05:41,160 --> 00:05:43,040
Thank you for pointing out
the limitations
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00:05:43,040 --> 00:05:44,920
of my new favourite machine, Elaine.
124
00:05:44,920 --> 00:05:47,680
I'm totally cool with you doing that.
125
00:05:47,680 --> 00:05:49,960
Oh, no! I can explain.
126
00:05:49,960 --> 00:05:51,760
Doc, I didn't mean anything...
127
00:05:52,880 --> 00:05:55,080
Take a walk with me, Elaine.
Don't worry.
128
00:05:55,080 --> 00:05:56,160
I'm not cross.
129
00:05:56,160 --> 00:06:01,120
I just need you to have a big old
wave in front of my Death Laser Bot.
130
00:06:01,120 --> 00:06:03,440
OK, then. Hello.
131
00:06:03,440 --> 00:06:04,960
LAZER FIRES
132
00:06:04,960 --> 00:06:09,280
So sad. I don't
think I'll ever get over her death.
133
00:06:09,280 --> 00:06:12,840
Now, where were we? You were about
to turn on your giant electromagnet.
134
00:06:12,840 --> 00:06:16,440
Actually, I wasn't,
because that would be super-unsafe
135
00:06:16,440 --> 00:06:18,520
and I've learned my lessons
from last time.
136
00:06:18,520 --> 00:06:21,440
Yeah, that tank came through
the wall fast.
137
00:06:21,440 --> 00:06:23,440
Indeed. And shush, Ricky.
138
00:06:23,440 --> 00:06:26,400
But that incident led
to my new metal safety helmets,
139
00:06:26,400 --> 00:06:28,760
complete with built-in ear defenders.
140
00:06:28,760 --> 00:06:30,680
How fetching. Jealous!
141
00:06:30,680 --> 00:06:35,960
So, we're going to evacuate everyone
apart from you, Agent Goody,
142
00:06:35,960 --> 00:06:40,400
before we turn the magnet on
and you will die.
143
00:06:40,400 --> 00:06:44,360
What did he say?
"Turn the magnet on." OK.
144
00:06:44,360 --> 00:06:46,320
No, wait! Don't turn... Argh!
145
00:06:47,280 --> 00:06:49,440
COMPUTER: Magnet on. No, turn it off!
146
00:06:49,440 --> 00:06:51,040
I can't reach.
147
00:06:51,040 --> 00:06:54,120
METAL safety helmets, you said?
Oh, no!
148
00:06:54,120 --> 00:06:56,800
Agh! The magnet got my helmet!
149
00:06:56,800 --> 00:07:00,080
Not wearing a helmet is
a clear health and safety breach.
150
00:07:00,080 --> 00:07:01,360
Take a walk with me, Ricky.
151
00:07:01,360 --> 00:07:02,800
Argh!
152
00:07:02,800 --> 00:07:05,600
Curse my protective, magnetic
steel underpants!
153
00:07:06,640 --> 00:07:09,200
What? The magnet
has activated your laser bot!
154
00:07:09,200 --> 00:07:12,520
Thanks for stating the obvious,
Ricky. That's very useful.
155
00:07:13,600 --> 00:07:15,120
Oh, you're kidding me!
156
00:07:15,120 --> 00:07:17,000
Thanks, Doctor Slow Lane.
157
00:07:17,000 --> 00:07:20,800
For the first time with magnets,
I can see the attraction. Oh!
158
00:07:20,800 --> 00:07:24,160
Don't worry, Doc. I've got
to the magnet control.
159
00:07:25,320 --> 00:07:27,760
COMPUTER: Magnet power increased.
160
00:07:27,760 --> 00:07:30,240
I think I've turned the dial
the wrong way.
161
00:07:30,240 --> 00:07:33,520
You think? Er, Doctor
Big Brain, with my helmet gone,
162
00:07:33,520 --> 00:07:36,400
I can turn it off.
Then why haven't you?
163
00:07:36,400 --> 00:07:39,440
Oh, take yourself for a walk, Ricky.
164
00:07:39,440 --> 00:07:41,920
I need someone
to test my human box maker.
165
00:07:41,920 --> 00:07:43,560
No, wait. What are you doing?
166
00:07:43,560 --> 00:07:45,480
Turn the magnet off before you leave!
167
00:07:45,480 --> 00:07:47,360
RICKY SCREAMS
168
00:07:49,040 --> 00:07:50,120
I never liked him.
169
00:07:56,160 --> 00:07:58,440
EVIL LAUGHTER
170
00:07:58,440 --> 00:07:59,800
We have power.
171
00:07:59,800 --> 00:08:01,800
IGOR SNIFFS
172
00:07:59,800 --> 00:08:01,800
Hmm?
173
00:08:01,800 --> 00:08:04,160
Igor! There's no time to rest.
174
00:08:04,160 --> 00:08:08,800
Turn on the machine
and give my creation life!
175
00:08:08,800 --> 00:08:11,120
Open the circuit!
176
00:08:11,120 --> 00:08:14,240
Um, Doctor? What is it?
177
00:08:14,240 --> 00:08:17,120
The circuit is already open,
178
00:08:17,120 --> 00:08:21,120
which means the machine is off.
Pff, nonsense!
179
00:08:21,120 --> 00:08:23,800
Everyone knows open means on.
180
00:08:23,800 --> 00:08:28,320
No-one shouted, "Open sesame",
expecting a door to close.
181
00:08:28,320 --> 00:08:31,320
If you take the middle two letters
out of "open,"
182
00:08:31,320 --> 00:08:32,880
you literally get "on."
183
00:08:32,880 --> 00:08:38,200
Now, open the circuit
and bring my creation to life!
184
00:08:38,200 --> 00:08:40,240
HE CACKLES EVILLY
185
00:08:40,240 --> 00:08:44,440
Yeah, but look - electricity can
only travel around a circuit
186
00:08:44,440 --> 00:08:46,200
if all the parts are connected.
187
00:08:46,200 --> 00:08:49,480
When you open the switch, it creates
a gap between the wires,
188
00:08:49,480 --> 00:08:53,080
and that's why, when the machine
is off, it's called an open circuit
189
00:08:53,080 --> 00:08:55,760
and when we close the circuit,
like so,
190
00:08:55,760 --> 00:08:58,960
the electricity flows
and your creation comes to life.
191
00:09:00,400 --> 00:09:03,880
Stop talking nonsense and open
the circuit!
192
00:09:03,880 --> 00:09:06,280
But, Doctor... Do it!
193
00:09:07,760 --> 00:09:09,600
The monster isn't moving.
194
00:09:09,600 --> 00:09:12,520
You've clearly built the circuit
wrong!
195
00:09:12,520 --> 00:09:15,840
I haven't. Look what happens
when I close the circuit.
196
00:09:15,840 --> 00:09:18,080
MONSTER GIBBERS
197
00:09:18,080 --> 00:09:20,680
You are jealous of the monster.
198
00:09:20,680 --> 00:09:22,720
You don't want him to come alive!
199
00:09:22,720 --> 00:09:25,280
But he IS alive.
200
00:09:25,280 --> 00:09:26,920
Huh? No, he's not. Bah!
201
00:09:26,920 --> 00:09:29,880
It's YOUR fault. Every time I close
the circuit, he comes alive
202
00:09:29,880 --> 00:09:32,360
and every time I open it,
he collapses again.
203
00:09:32,360 --> 00:09:38,320
Look - open, close, open, close,
open, close.
204
00:09:38,320 --> 00:09:42,240
Igor! I command you to leave the
weird science
205
00:09:42,240 --> 00:09:44,080
to the weird scientists.
206
00:09:45,160 --> 00:09:46,400
Hello.
207
00:09:46,400 --> 00:09:49,280
HE GASPS
208
00:09:46,400 --> 00:09:49,280
It's alive!
209
00:09:49,280 --> 00:09:52,320
Speak to me, my beautiful monster.
210
00:09:52,320 --> 00:09:55,400
Tell me of your hopes and dreams.
211
00:09:55,400 --> 00:09:58,520
Speak! Can you stop messing
with the switch?
212
00:09:58,520 --> 00:10:03,000
It's giving me a headache.
Oh, um, Igor, if you could, er...
213
00:10:03,000 --> 00:10:07,040
Yeah. Thank you very much.
214
00:10:08,320 --> 00:10:11,880
So, you were saying closed circuit
is on?
215
00:10:11,880 --> 00:10:13,040
Yeah.
216
00:10:13,040 --> 00:10:14,280
Hmm.
217
00:10:15,760 --> 00:10:16,800
Ugh!
218
00:10:18,680 --> 00:10:23,160
Elegance, class, style.
219
00:10:23,160 --> 00:10:26,840
The true power of nature
has been harnessed
220
00:10:26,840 --> 00:10:30,000
to create this elegant watch.
221
00:10:31,320 --> 00:10:32,360
Potato.
222
00:10:36,000 --> 00:10:37,400
Po-ta-to.
223
00:10:39,080 --> 00:10:43,600
Make time for the potato -
nature's power cell.
224
00:10:43,600 --> 00:10:48,200
Raw potato power,
created by adding zinc...
225
00:10:48,200 --> 00:10:51,520
Zinc. We call that the anode.
226
00:10:51,520 --> 00:10:53,720
..which reacts with acid
in the watch's
227
00:10:53,720 --> 00:10:56,360
barely noticeable potato power cell
228
00:10:56,360 --> 00:10:59,360
and winds
up becoming negatively charged.
229
00:10:59,360 --> 00:11:00,840
Negatively charged.
230
00:11:00,840 --> 00:11:03,440
Add copper... Copper.
231
00:11:03,440 --> 00:11:06,360
We call that the cathode.
232
00:11:06,360 --> 00:11:11,760
..which becomes positively charged
and positively elegant.
233
00:11:11,760 --> 00:11:15,040
Just add wires to complete
an electrical circuit
234
00:11:15,040 --> 00:11:17,280
and you'll never be late again.
235
00:11:17,280 --> 00:11:21,320
You've got a potato battery,
creating electricity,
236
00:11:21,320 --> 00:11:25,200
creating style,
creating potato power.
237
00:11:25,200 --> 00:11:29,640
Potato power.
Elegant, earthy, exquisite
238
00:11:29,640 --> 00:11:31,520
baked with cheese and beans.
239
00:11:31,520 --> 00:11:34,080
It's time to use
the power of nature
240
00:11:34,080 --> 00:11:36,360
and use the power of the potato.
241
00:11:36,360 --> 00:11:39,680
Pour homme. Pour femme.
242
00:11:39,680 --> 00:11:41,120
Potato.
243
00:11:43,960 --> 00:11:47,720
Hey, babes. Queen of the Dinosaurs
here - your gal, T-rex.
244
00:11:47,720 --> 00:11:50,960
So I guess we all know electricity
is a type of energy.
245
00:11:50,960 --> 00:11:52,920
But guess what, babes? So is...
246
00:11:52,920 --> 00:11:54,920
..SOOOOOUND! Eek!
247
00:11:54,920 --> 00:11:56,840
Hee! Gets them every time.
248
00:11:56,840 --> 00:12:00,360
For centuries, trying to understand
how sound energy moves around
249
00:12:00,360 --> 00:12:03,400
and gets into our ears
has totally fascinated brainboxes
250
00:12:03,400 --> 00:12:04,840
like Leonardo da Vinci,
251
00:12:04,840 --> 00:12:06,800
the brilliant artist
who painted the Mona Lisa.
252
00:12:06,800 --> 00:12:07,920
Ha-ha!
253
00:12:06,800 --> 00:12:07,920
PFFRT!
254
00:12:07,920 --> 00:12:10,760
Oh, Terry, I hope
you're going to clean this up.
255
00:12:10,760 --> 00:12:12,840
It's not doing my skin any favours.
256
00:12:15,920 --> 00:12:17,480
BELL RINGS
257
00:12:17,480 --> 00:12:19,040
How does that sound, Freddie?
258
00:12:19,040 --> 00:12:22,040
DISTANT: What was that?
I can't hear you!
259
00:12:22,040 --> 00:12:23,160
Da Vinci?
260
00:12:23,160 --> 00:12:24,760
Oh, here comes Karen.
261
00:12:24,760 --> 00:12:27,960
Haven't you got a nice, quiet
painting to be getting on with?
262
00:12:27,960 --> 00:12:31,280
That is too loud.
Or maybe it's too quiet.
263
00:12:31,280 --> 00:12:33,240
No, it's definitely too loud.
264
00:12:33,240 --> 00:12:35,640
Or maybe it's definitely too quiet.
265
00:12:35,640 --> 00:12:37,920
It depends on where you're standing.
266
00:12:37,920 --> 00:12:39,320
BELL RINGS LOUDLY
267
00:12:39,320 --> 00:12:41,000
Please stop.
268
00:12:41,000 --> 00:12:42,600
How did that sound, Freddie?
269
00:12:42,600 --> 00:12:44,040
I can't hear you.
270
00:12:44,040 --> 00:12:47,760
I can just hear a fairly quiet bell
and an angry lady.
271
00:12:47,760 --> 00:12:50,600
You see? A fairly quiet bell.
Yeah, but it's not quiet, is it?
272
00:12:50,600 --> 00:12:53,160
It's just quiet to him
because he's much further away.
273
00:12:53,160 --> 00:12:56,120
Yes, but why?
I'm conducting an experiment
274
00:12:56,120 --> 00:12:58,960
to see how noise travels
through different materials.
275
00:12:58,960 --> 00:13:01,200
Like, um, air.
276
00:12:58,960 --> 00:13:01,200
HE BLOWS
277
00:13:01,200 --> 00:13:02,400
Urgh!
278
00:13:02,400 --> 00:13:03,880
Sorry. Prawns.
279
00:13:03,880 --> 00:13:06,200
Look, watch closely.
280
00:13:06,200 --> 00:13:07,520
BELL RINGS
281
00:13:06,200 --> 00:13:07,520
Ah!
282
00:13:07,520 --> 00:13:10,440
The bell vibrates, which makes
the air around it vibrate,
283
00:13:10,440 --> 00:13:13,080
and then the vibrations
travel through here. Ow!
284
00:13:13,080 --> 00:13:15,160
It's the vibrations
you're actually hearing.
285
00:13:15,160 --> 00:13:18,400
Mamma mia, that's a lot of wax.
Surprised you can hear anything.
286
00:13:18,400 --> 00:13:20,960
Haven't we finished yet?
Not yet, Freddie!
287
00:13:20,960 --> 00:13:22,520
I can't hear you!
288
00:13:22,520 --> 00:13:24,680
Bang once for yes, twice for no.
289
00:13:24,680 --> 00:13:25,720
Er...
290
00:13:24,680 --> 00:13:25,720
SHE SIGHS
291
00:13:25,720 --> 00:13:27,040
BELL RINGS TWICE
292
00:13:27,040 --> 00:13:29,480
Was that twice?
293
00:13:29,480 --> 00:13:31,120
BELL RINGS ONCE
294
00:13:29,480 --> 00:13:31,120
Thank you!
295
00:13:31,120 --> 00:13:33,240
If he could hear it
as loud as I can hear it,
296
00:13:33,240 --> 00:13:35,040
he wouldn't keep asking you
to bang it.
297
00:13:35,040 --> 00:13:36,800
That's what's so fascinating!
298
00:13:36,800 --> 00:13:38,880
You see, I have discovered
that vibrations,
299
00:13:38,880 --> 00:13:42,040
{\an8}as they travel through the air,
begin to spread out.
300
00:13:42,040 --> 00:13:43,920
{\an8}So something
that sounds loud here...
301
00:13:43,920 --> 00:13:45,000
BELL RINGS
302
00:13:45,000 --> 00:13:46,680
..sounds quiet over there!
303
00:13:46,680 --> 00:13:48,600
Isn't that right, Freddie? What?
304
00:13:48,600 --> 00:13:52,160
OK, so if I travelled
much further away -
305
00:13:52,160 --> 00:13:54,200
upstairs in my house,
for example -
306
00:13:54,200 --> 00:13:56,280
this racket would be much quieter?
307
00:13:56,280 --> 00:13:58,520
Bingo! You got it at last.
308
00:13:58,520 --> 00:14:00,920
Fine. I'll do that, then.
309
00:14:00,920 --> 00:14:03,120
Fine. Go do that, then.
310
00:14:03,120 --> 00:14:04,680
OK, Freddie, go even further.
311
00:14:04,680 --> 00:14:07,000
We'll see if it gets quieter. OK!
312
00:14:07,000 --> 00:14:09,400
Hey, da Vinci. I'm upstairs.
313
00:14:09,400 --> 00:14:12,120
And is it a bit quieter up there?
BELL RINGS
314
00:14:12,120 --> 00:14:15,920
No, but come a bit closer.
All right...
315
00:14:15,920 --> 00:14:17,880
Yeah, that's better.
316
00:14:17,880 --> 00:14:19,000
Oh!
317
00:14:19,000 --> 00:14:21,080
SHE LAUGHS
318
00:14:19,000 --> 00:14:21,080
Mm.
319
00:14:21,080 --> 00:14:23,320
Freddie, I need a towel. What?
320
00:14:24,960 --> 00:14:28,880
{\an8}I'm Barry Loud!
And I'm Michaela Explosion!
321
00:14:28,880 --> 00:14:30,520
Welcome to the...
322
00:14:36,040 --> 00:14:37,680
{\an8}This is the show where we rank...
323
00:14:39,120 --> 00:14:41,280
..by how loud it is.
324
00:14:41,280 --> 00:14:43,080
AIRHORN HONKS
325
00:14:43,080 --> 00:14:45,480
We measure everything in decibels,
326
00:14:45,480 --> 00:14:47,680
which is the standard unit
for measuring...
327
00:14:47,680 --> 00:14:50,360
{\an8}ALARM BLARES
328
00:14:50,360 --> 00:14:52,480
Oh, it's basically
how loud something is.
329
00:14:52,480 --> 00:14:54,400
So let's start our countdown.
330
00:14:54,400 --> 00:14:55,800
In at ten decibels,
331
00:14:55,800 --> 00:14:58,080
it's the sound
of your own breathing.
332
00:14:59,440 --> 00:15:00,680
{\an8}ALARM BLARES
333
00:15:00,680 --> 00:15:02,320
{\an8}SOFT EXHALATION
334
00:15:02,320 --> 00:15:04,320
BOTH: Ooh!
335
00:15:04,320 --> 00:15:05,520
Love that!
336
00:15:05,520 --> 00:15:08,680
Next, jumping up one place
to 20 decibels,
337
00:15:08,680 --> 00:15:10,960
it's a whisper.
338
00:15:10,960 --> 00:15:12,440
QUIETLY: Please don't film me.
339
00:15:12,440 --> 00:15:14,640
{\an8}ALARM BLARES
340
00:15:14,640 --> 00:15:17,360
Oh! Lolololol!
341
00:15:17,360 --> 00:15:19,480
Weirdly, even though 20 decibels
looks like
342
00:15:19,480 --> 00:15:22,800
{\an8}it's just ten decibels more than
ten decibels, it's actually...
343
00:15:24,360 --> 00:15:26,360
{\an8}..which is...
344
00:15:26,360 --> 00:15:28,560
{\an8}And in at 60dB,
345
00:15:28,560 --> 00:15:31,440
it's the volume of
a normal conversation.
346
00:15:33,200 --> 00:15:36,240
Oh, she's... She's gone.
She's there! There!
347
00:15:36,240 --> 00:15:37,480
Why are you following me?
348
00:15:37,480 --> 00:15:40,400
We're having a normal conversation.
This is not normal!
349
00:15:42,480 --> 00:15:45,160
Next in our countdown,
up at 70 decibels -
350
00:15:45,160 --> 00:15:48,000
that's ten decibels
more than a normal conversation -
351
00:15:48,000 --> 00:15:49,480
it's the sound of an alarm clock!
352
00:15:49,480 --> 00:15:50,880
ALARM RINGS
353
00:15:49,480 --> 00:15:50,880
Argh!
354
00:15:52,360 --> 00:15:55,080
That's way louder than
a normal conversation!
355
00:15:55,080 --> 00:15:56,800
How is that only ten decibels more?
356
00:15:56,800 --> 00:15:59,360
Well, it's like we said,
the decibel scale is weird -
357
00:15:59,360 --> 00:16:00,880
a ten decibel increase is...
358
00:16:05,520 --> 00:16:07,360
Will you please stop following me?
359
00:16:07,360 --> 00:16:08,960
FARTING
360
00:16:08,960 --> 00:16:10,560
Oh!
361
00:16:10,560 --> 00:16:14,240
And in at 80 decibels,
it's the sound of a fart.
362
00:16:14,240 --> 00:16:15,360
Hey...
363
00:16:15,360 --> 00:16:17,200
ALARM BLARES
364
00:16:17,200 --> 00:16:19,280
I...I wouldn't say that was at 80.
365
00:16:19,280 --> 00:16:20,560
{\an8}The average fart is...
366
00:16:22,360 --> 00:16:24,440
{\an8}..than normal conversation.
367
00:16:24,440 --> 00:16:26,600
Urgh, that just reached me. Ugh!
368
00:16:26,600 --> 00:16:28,800
PNEUMATIC DRILL CLATTERS
369
00:16:28,800 --> 00:16:32,400
And in at 100 decibels
is a pneumatic drill!
370
00:16:33,880 --> 00:16:34,920
ALARM BLARES
371
00:16:35,920 --> 00:16:38,800
It's so loud! Thanks!
372
00:16:38,800 --> 00:16:40,320
Next in the countdown...
373
00:16:40,320 --> 00:16:43,200
..a non-mover at 120 decibels...
374
00:16:43,200 --> 00:16:46,000
..it's...a...thunderclap!
375
00:16:43,200 --> 00:16:46,000
THUNDER CRACKS
376
00:16:48,640 --> 00:16:50,360
What even is this show?!
377
00:16:50,360 --> 00:16:54,640
But a new entry, in at 129 decibels,
378
00:16:54,640 --> 00:16:59,080
is the Guinness World Record holder
for an individual scream -
379
00:16:59,080 --> 00:17:02,520
teaching assistant Jill Drake.
Oh, hello.
380
00:17:02,520 --> 00:17:05,000
SHE SCREAMS
Argh!
381
00:17:06,720 --> 00:17:09,360
Well, that's all we've got time
for this week. Tune in next week,
382
00:17:09,360 --> 00:17:11,440
when hopefully
your ears will have recovered.
383
00:17:11,440 --> 00:17:13,720
SHE SCREAMS, THUNDER CRACKS
384
00:17:16,120 --> 00:17:19,800
{\an8}Coming soon to a wall near you...
385
00:17:19,800 --> 00:17:21,760
I am The Shadow!
386
00:17:21,760 --> 00:17:24,440
Whenever something blocks the light,
I'll be there.
387
00:17:24,440 --> 00:17:26,880
You can see me
but you can't catch me.
388
00:17:26,880 --> 00:17:28,760
The Shadow comes in many sizes.
389
00:17:28,760 --> 00:17:32,240
When I move closer to the light,
I grow larger.
390
00:17:32,240 --> 00:17:33,880
Mwahahaha!
391
00:17:33,880 --> 00:17:36,480
When I move further away
from the light, I become...
392
00:17:36,480 --> 00:17:38,600
SQUEAKILY: ..smaller.
..harder to spot.
393
00:17:38,600 --> 00:17:40,280
And if there are two light sources,
394
00:17:40,280 --> 00:17:43,480
there will be two The Shadows -
double trouble!
395
00:17:43,480 --> 00:17:46,200
Look, I can even make cool animals
with my hands.
396
00:17:46,200 --> 00:17:48,160
It's a crocodile! Roar!
397
00:17:48,160 --> 00:17:52,000
"Wow, The Shadow's so cool.
I wish he was my boyfriend."
398
00:17:52,000 --> 00:17:55,640
Oh, sorry, croc, The Shadow
isn't looking to date right now,
399
00:17:55,640 --> 00:17:58,320
for he is married to...justice!
400
00:17:58,320 --> 00:18:00,320
Nothing can defeat The Shadow...
DOOR OPENS
401
00:18:00,320 --> 00:18:03,600
..except... Why haven't you
got the big light on? Mum-ah!
402
00:18:03,600 --> 00:18:05,920
Do you want anything washing?
I'm putting a load on.
403
00:18:05,920 --> 00:18:07,800
Mum, I'm doing my
The Shadow monologue.
404
00:18:07,800 --> 00:18:09,040
Oh, sorry, love.
405
00:18:10,680 --> 00:18:11,840
DOOR CLOSES
406
00:18:11,840 --> 00:18:13,920
Nothing can defeat
The Shadow except...
407
00:18:13,920 --> 00:18:15,200
HE TUTS
408
00:18:13,920 --> 00:18:15,200
Hang on.
409
00:18:15,200 --> 00:18:17,320
SWITCH CLICKS
410
00:18:17,320 --> 00:18:19,280
Nothing can defeat The Shadow,
411
00:18:19,280 --> 00:18:21,840
except if there is light
and nothing to block it.
412
00:18:21,840 --> 00:18:23,320
For then there can be no shadow.
413
00:18:23,320 --> 00:18:24,400
Mum, please!
414
00:18:24,400 --> 00:18:26,960
Sorry, I just really think
I should wash those pants.
415
00:18:26,960 --> 00:18:28,200
Fine!
416
00:18:30,240 --> 00:18:32,160
Um....are you wearing...?
417
00:18:32,160 --> 00:18:34,160
The Shadow wears
two pairs of pants.
418
00:18:34,160 --> 00:18:37,760
Er, and...underneath the trousers?
Fine, three. Good.
419
00:18:37,760 --> 00:18:40,320
Shut the light off, please, Mum.
Can you tidy your room?
420
00:18:40,320 --> 00:18:42,720
You can't just hide everything
in the shadows.
421
00:18:42,720 --> 00:18:44,040
SWITCH CLICKS, DOOR CLOSES
422
00:18:44,040 --> 00:18:47,120
That's what she thinks.
For I am The Shadow.
423
00:18:47,120 --> 00:18:50,000
And I wear three pairs of pants.
424
00:18:50,000 --> 00:18:51,120
Although currently just two.
425
00:18:56,880 --> 00:18:59,920
Oh. Hey. It's me, Planet Earth.
426
00:18:59,920 --> 00:19:02,280
I'm just catching some rays from
the Sun over there.
427
00:19:02,280 --> 00:19:03,800
It's kind of my thing.
428
00:19:03,800 --> 00:19:05,840
I like to rotate every 24 hours,
429
00:19:05,840 --> 00:19:09,400
make sure the rays get everywhere.
Keeps me nice and toasty.
430
00:19:09,400 --> 00:19:11,560
Oh, and it keeps everything
on my surface alive,
431
00:19:11,560 --> 00:19:12,880
including you guys.
432
00:19:12,880 --> 00:19:15,160
The Sun is actually
our nearest star,
433
00:19:15,160 --> 00:19:17,440
and it's a really,
really long way away.
434
00:19:17,440 --> 00:19:19,680
150 million kilometres.
435
00:19:19,680 --> 00:19:23,280
It's so far that sunlight takes
eight minutes to reach me.
436
00:19:23,280 --> 00:19:26,040
But how long do you
think it takes light from
437
00:19:26,040 --> 00:19:29,200
the nearest star
after the Sun to reach me?
438
00:19:29,200 --> 00:19:30,520
Is it...
439
00:19:30,520 --> 00:19:32,320
A, four hours,
440
00:19:32,320 --> 00:19:34,760
B, four days,
441
00:19:34,760 --> 00:19:37,640
or C, four years?
442
00:19:37,640 --> 00:19:39,680
Any guesses?
443
00:19:39,680 --> 00:19:40,880
The answer is...
444
00:19:40,880 --> 00:19:42,640
C, four years!
445
00:19:42,640 --> 00:19:46,000
Well, it's four years, two months,
two weeks and six days, to be exact.
446
00:19:46,000 --> 00:19:48,040
The star, Proxima Centauri,
447
00:19:48,040 --> 00:19:50,600
is over 40 trillion kilometres away.
448
00:19:50,600 --> 00:19:53,640
That's a four with
13 noughts after it.
449
00:19:53,640 --> 00:19:55,520
Space distances
like that are so huge,
450
00:19:55,520 --> 00:19:58,400
we measure them in how long it takes
the light to travel across them.
451
00:19:58,400 --> 00:20:01,920
{\an8}So, we say that it's 4.25
light years away.
452
00:20:01,920 --> 00:20:04,840
OK, back to getting some rays.
453
00:20:04,840 --> 00:20:06,080
Ah...
454
00:20:06,080 --> 00:20:07,720
I'm Sir Isaac Newton.
455
00:20:07,720 --> 00:20:10,000
I'm at something called
a theme park,
456
00:20:10,000 --> 00:20:12,600
and this is science at speed.
457
00:20:12,600 --> 00:20:13,800
I love parks.
458
00:20:13,800 --> 00:20:17,040
They're quiet, peaceful places
where one can rest,
459
00:20:17,040 --> 00:20:19,640
relax and contemplate
the final mysteries of...
460
00:20:19,640 --> 00:20:21,800
SCREAMING
461
00:20:23,400 --> 00:20:24,480
What was that?
462
00:20:31,200 --> 00:20:33,280
Today on Science at Speed...
463
00:20:34,240 --> 00:20:37,040
{\an8}And I shall be telling you
all about my light prisms.
464
00:20:37,040 --> 00:20:39,000
{\an8}These are objects,
usually made of glass,
465
00:20:39,000 --> 00:20:41,880
{\an8}that have a very interesting
effect on light.
466
00:20:41,880 --> 00:20:43,080
{\an8}Let's do this.
467
00:20:45,160 --> 00:20:47,720
Actually, maybe I...
I want to get off now.
468
00:20:47,720 --> 00:20:50,680
No? Fine.
Now, don't look at the sun,
469
00:20:50,680 --> 00:20:53,120
but if you were to look at the sun,
470
00:20:53,120 --> 00:20:55,400
then it would appear to be white.
471
00:20:55,400 --> 00:21:01,560
I discovered that if you shine
white light through a prism,
472
00:21:01,560 --> 00:21:04,880
it splits the light into lots
of different colours!
473
00:21:04,880 --> 00:21:07,920
HE SHRIEKS
474
00:21:07,920 --> 00:21:12,920
I proved that white light is made
475
00:21:12,920 --> 00:21:16,400
of different colours of the rainbow.
476
00:21:16,400 --> 00:21:19,120
HE SCREAMS
477
00:21:23,400 --> 00:21:27,560
{\an8}We call this rainbow of light
the visible spectrum of light!
478
00:21:27,560 --> 00:21:29,120
{\an8}HE CONTINUES SCREAMING
479
00:21:29,120 --> 00:21:31,200
{\an8}There are other types of light,
480
00:21:31,200 --> 00:21:33,800
{\an8}but these are invisible...
481
00:21:33,800 --> 00:21:35,400
{\an8}Why is it dark?!
482
00:21:35,400 --> 00:21:36,880
{\an8}HE LAUGHS
483
00:21:36,880 --> 00:21:40,120
{\an8}..these are invisible to human
beings.
484
00:21:40,120 --> 00:21:42,480
{\an8}Ultraviolet light, X-rays,
485
00:21:42,480 --> 00:21:45,040
{\an8}microwaves! Ha-ha!
486
00:21:45,040 --> 00:21:49,040
They are all part of what's called
the electromagnetic spectrum!
487
00:21:50,200 --> 00:21:52,360
Oh, thank goodness we're back.
488
00:21:52,360 --> 00:21:55,320
Well, I think it's about
time that I showed you
489
00:21:55,320 --> 00:21:57,400
some of my actual light prisms,
don't you?
490
00:21:59,120 --> 00:22:02,000
Oh, no.
They must have fallen out and...
491
00:22:02,000 --> 00:22:04,360
Oh, don't say I have
to do this again.
492
00:22:06,880 --> 00:22:12,160
Wow, so there's light,
sound and electricity.
493
00:22:12,160 --> 00:22:14,400
So much amazing energy stuff
494
00:22:14,400 --> 00:22:17,480
that I need to lie
down and relax my nergals.
495
00:22:17,480 --> 00:22:20,280
IT FARTS
496
00:22:17,480 --> 00:22:20,280
Oh, pardon. Heh-heh...
497
00:22:20,280 --> 00:22:22,880
Relaxed them
a bit too much there.
498
00:22:22,880 --> 00:22:24,440
Time for some music now.
499
00:22:24,440 --> 00:22:26,680
So put your tentacles up,
500
00:22:26,680 --> 00:22:29,120
and close 75% of your eyes,
501
00:22:29,120 --> 00:22:34,000
cos Sir Isaac Newton's back with
an illuminating song about light
502
00:22:34,000 --> 00:22:38,160
and that electromagnetic spectrum he
was just screaming about.
503
00:22:38,160 --> 00:22:39,320
Eh... Huh?
504
00:22:39,320 --> 00:22:41,800
What do you mean you don't
have tentacles?
505
00:22:41,800 --> 00:22:43,000
Weird.
506
00:22:44,680 --> 00:22:48,120
They're coming out of your phone
They can travel through walls
507
00:22:48,120 --> 00:22:51,160
It's a radiowave
Sending TV and calls
508
00:22:51,160 --> 00:22:54,560
Next are microwaves
And they're cooking my tea
509
00:22:54,560 --> 00:22:57,680
And the fact they do that
was found out accidentally
510
00:22:57,680 --> 00:23:00,920
They're coming out of the fire
and coming out of the sun
511
00:23:00,920 --> 00:23:04,280
An infrared ray feels hot
But you cannot see one
512
00:23:04,280 --> 00:23:07,520
Also out of the sun
It's so dazzling and white
513
00:23:07,520 --> 00:23:11,040
You should all know this one
It is visible light
514
00:23:11,040 --> 00:23:15,400
Now, what do we call this now?
515
00:23:15,400 --> 00:23:21,240
Do you know?
516
00:23:23,760 --> 00:23:28,160
The electromagnetic spectrum
517
00:23:29,360 --> 00:23:34,560
All the light we know
518
00:23:36,160 --> 00:23:40,640
Radio
Microwave is next, you know
519
00:23:40,640 --> 00:23:44,280
Then infrared
That's heat to me
520
00:23:44,280 --> 00:23:47,600
Visible light that we can see
521
00:23:47,600 --> 00:23:50,760
Ultraviolet tans our skin
522
00:23:50,760 --> 00:23:54,160
X-rays let us see within
523
00:23:54,160 --> 00:23:58,480
Gamma rays will blow your minds
524
00:23:59,440 --> 00:24:02,480
They're all the light kinds
525
00:24:02,480 --> 00:24:05,680
And now ultraviolet light
It's a part of sunshine
526
00:24:05,680 --> 00:24:08,920
We've known UV makes you tan
since 1889
527
00:24:08,920 --> 00:24:12,320
It's coming out of the sun
And it's burning my skin
528
00:24:12,320 --> 00:24:15,600
I'm applying sun cream
So ultraviolet won't win
529
00:24:15,600 --> 00:24:18,800
Through your skin and your flesh
We can fire X-rays
530
00:24:18,800 --> 00:24:22,080
But they're stopped by the bones
Your insides on display
531
00:24:22,080 --> 00:24:25,360
Gamma rays are light too
But a dangerous kind
532
00:24:25,360 --> 00:24:28,960
If you get up too close
They'll leave damage behind
533
00:24:28,960 --> 00:24:33,280
Now, what do we call this, now?
534
00:24:33,280 --> 00:24:38,920
Do you know?
535
00:24:41,600 --> 00:24:46,320
The electromagnetic spectrum
536
00:24:47,320 --> 00:24:51,680
All the light we know
537
00:24:54,040 --> 00:24:58,520
Radio
Microwave is next, you know
538
00:24:58,520 --> 00:25:02,200
Then infrared
That's heat to me
539
00:25:02,200 --> 00:25:05,480
Visible light that we can see
540
00:25:05,480 --> 00:25:08,800
Ultraviolet tans our skin
541
00:25:08,800 --> 00:25:12,000
X-rays let us see within
542
00:25:12,000 --> 00:25:16,200
Gamma rays will blow your minds
543
00:25:17,320 --> 00:25:20,320
They're all the light kinds. #
544
00:25:25,040 --> 00:25:26,120
Oh!
545
00:25:27,440 --> 00:25:31,200
God, I actually hit him.
I actually hit him. We're good.
546
00:25:31,200 --> 00:25:32,720
We're good, yeah.
I didn't...I didn't.
547
00:25:32,720 --> 00:25:35,200
I stopped acting then
cos I was worried. Sorry.
548
00:25:35,200 --> 00:25:37,960
Weird and gross stuff
you now know
549
00:25:37,960 --> 00:25:39,200
Hope you enjoyed
550
00:25:39,200 --> 00:25:42,960
The Horrible Science Show. #
551
00:25:43,010 --> 00:25:47,560
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