The Cockroach Beatbox

906,968 views ใƒป 2012-03-12

TED-Ed


ืื ื ืœื—ืฅ ืคืขืžื™ื™ื ืขืœ ื”ื›ืชื•ื‘ื™ื•ืช ื‘ืื ื’ืœื™ืช ืœืžื˜ื” ื›ื“ื™ ืœื”ืคืขื™ืœ ืืช ื”ืกืจื˜ื•ืŸ.

ืชืจื’ื•ื: Ido Dekkers ืขืจื™ื›ื”: Orr Schlesinger
(ืžื•ื–ื™ืงื”)
00:13
When you think about the brain,
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ื›ืฉืืชื ื—ื•ืฉื‘ื™ื ืขืœ ื”ืžื•ื—,
00:15
it's difficult to understand,
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ื–ื” ืžืฉื”ื• ื“ื™ ืงืฉื” ืœื”ื‘ื ื”,
00:17
because if I were to ask you right now, how does the heart work,
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ืžืคื ื™ ืฉืื ื”ื™ื™ืชื™ ืฉื•ืืœ ืืชื›ื ืขื›ืฉื™ื•, ืื™ืš ื”ืœื‘ ืคื•ืขืœ,
00:20
you would instantly tell me it's a pump.
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ืžื™ื“ ืชื’ื™ื“ื• ืœื™ ืฉื–ื• ืžืฉืื‘ื”. ื”ื™ื ืฉื•ืื‘ืช ื“ื.
00:23
It pumps blood.
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00:24
If I were to ask about your lungs,
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ื•ืื ื”ื™ื™ืชื™ ืฉื•ืืœ ืืชื›ื ืื™ืš ื”ืจื™ืื•ืช ืฉืœื›ื ืคื•ืขืœื•ืช,
ื”ื™ื™ืชื ืื•ืžืจื™ื ืฉื”ืŸ ืžื—ืœื™ืคื•ืช ื—ืžืฆืŸ ื‘ืคื—ืžืŸ ื“ื• ื—ืžืฆื ื™. ื–ื” ืงืœ.
00:26
you would say it exchanges oxygen for carbon dioxide.
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00:28
That's easy.
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00:29
If I were to ask you how the brain works, it's hard to understand
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ืขื›ืฉื™ื• ืื ื”ื™ื™ืชื™ ืฉื•ืืœ ืืชื›ื ืื™ืš ื”ืžื•ื— ืขื•ื‘ื“, ื–ื” ื“ื‘ืจ ืงืฉื” ืœื”ื‘ื ื”
00:32
because you can't just look at a brain and understand what it is.
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ืžืคื ื™ ืฉืืชื ืœื ื™ื›ื•ืœื™ื ืกืชื ืœื”ื‘ื™ื˜ ื‘ืžื•ื— ื•ืœื”ื‘ื™ืŸ ืžื” ื”ื•ื ืขื•ืฉื”.
ื–ื” ืœื ืื•ื‘ื™ื™ืงื˜ ืžื›ืื ื™, ื–ื• ืœื ืžืฉืื‘ื”, ื–ื” ืœื ืฉืง ืื•ื™ืจ.
00:36
It's not a mechanical object, not a pump, not an airbag.
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00:38
It's just like, if you held it in your hand when it was dead,
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ื–ื” ืคืฉื•ื˜ ื›ืžื•, ืื ื”ื™ื™ืชื ืžื—ื–ื™ืงื™ื ืื•ืชื• ื‘ื™ื“ ื›ืฉื”ื• ืžืช, ื–ื” ืคืฉื•ื˜ ืคื™ืกืช ืฉื•ืžืŸ.
00:41
it's just a piece of fat.
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ืื– ื›ื“ื™ ืœื”ื‘ื™ืŸ ืื™ืš ื”ืžื•ื— ืขื•ื‘ื“,
00:43
To understand how the brain works, you have to go inside a living brain.
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ืืชื ื—ื™ื™ื‘ื™ื ืœื”ื™ื›ื ืก ืœืžื•ื— ื—ื™. ืžืคื ื™ ืฉืžื•ื— ื”ื•ื ืœื ืžื›ืื ื™,
00:47
Because the brain's not mechanical, the brain is electrical and it's chemical.
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ื”ืžื•ื— ื”ื•ื ื—ืฉืžืœื™ ื•ื”ื•ื ื›ื™ืžื™.
00:51
Your brain is made out of 100 billion cells, called neurons.
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ื”ืžื•ื— ืฉืœื›ื ืขืฉื•ื™ ืž 100 ืžืœื™ืืจื“ ืชืื™ื,
00:53
And these neurons communicate with each other with electricity.
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ื•ื”ืชืื™ื ื”ืืœื” ื ืงืจืื™ื ื ื™ื•ืจื•ื ื™ื. ื”ื ื™ื•ืจื•ื ื™ื ื”ืืœื” ืžืชืงืฉืจื™ื ืื—ื“ ืขื ื”ืฉื ื™ ื‘ืขื–ืจืช ื—ืฉืžืœ.
00:57
And we're going to eavesdrop in on a conversation between two cells,
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ื•ืื ื—ื ื• ืขื•ืžื“ื™ื ืœืฆืชืช ืœืฉื™ื—ื” ื‘ื™ืŸ ืฉื ื™ ืชืื™ื,
01:01
and we're going to listen to something called a spike.
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ื•ืื ื—ื ื• ืขื•ืžื“ื™ื ืœื”ืื–ื™ืŸ ืœืžืฉื”ื• ืฉื ืงืจื ืกืคื™ื™ืง.
01:03
But we're not going to record my brain or your brain or your teachers' brains,
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ืื‘ืœ ืื ื—ื ื• ืœื ืขื•ืžื“ื™ื ืœื”ืงืœื™ื˜ ืืช ื”ืžื•ื— ืฉืœื™ ืื• ืฉืœื›ื ืื• ืฉืœ ื”ืžื•ืจื” ืฉืœื›ื,
01:07
we're going to use our good friend the cockroach.
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ืื ื—ื ื• ืขื•ืžื“ื™ื ืœื”ืฉืชืžืฉ ื‘ื—ื‘ืจื ื• ื”ื˜ื•ื‘ ื”ืžืงืง.
ืœื ืจืง ื‘ื’ืœืœ ืฉืื ื™ ื—ื•ืฉื‘ ืฉื”ื ืžื’ื ื™ื‘ื™ื,
01:10
Not just because I think they're cool,
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01:12
but because they have brains very similar to ours.
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ืืœื ื‘ื’ืœืœ ืฉื™ืฉ ืœื”ื ืžื•ื—ื•ืช ืžืื•ื“ ื“ื•ืžื™ื ืœืฉืœื ื•.
01:14
So if you learn a little bit about how their brains work,
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ื•ื›ืš ืื ื ืœืžื“ ืžืขื˜ ืขืœ ืื™ืŸ ื”ืžื•ื— ืฉืœื”ื ืขื•ื‘ื“,
01:17
we're going to learn a lot about how our brains work.
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ืื ื—ื ื• ื ืœืžื“ ื”ืจื‘ื” ืขืœ ืื™ืš ื”ืžื•ื— ืฉืœื ื• ืขื•ื‘ื“.
01:19
I'm going to put them in some ice water here
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ืื– ืื ื™ ืืฉื™ื ืื•ืชื ื‘ืชื•ืš ืžื™ ืงืจื— ืคื”
ื•ืื–...
01:22
And then --
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01:24
Audience: Ew! Greg Gabe: Yeah ...
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(ืงื”ืœ: ืื™ื•!)... ื›ืŸ ...
01:26
Right now they're becoming anesthetized.
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ืื– ืžื” ืฉืงื•ืจื” ืขื›ืฉื™ื• ื”ื•ื ืฉื”ื ืžื•ืจื“ืžื™ื,
01:28
Because they're cold blooded, they become the temperature of the water
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ืžืคื ื™ ืฉื”ื ืงืจื™ ื“ื, ื”ื ืžืงื‘ืœื™ื ืืช ื”ื˜ืžืคืจื˜ื•ืจื” ืฉืœ ื”ืžื™ื
01:31
and they can't control it so they just basically "chillax," right?
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ื•ื”ื ืœื ื™ื›ื•ืœื™ื ืœืฉืœื•ื˜ ื‘ื–ื” ืื– ื”ื ื‘ืขืฆื "ื ื™ืจื’ื•ืคืื™ื," ื›ืŸ?
01:35
They're not going to feel anything,
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ื”ื ืœื ื™ื•ื›ืœื• ืœื”ืจื’ื™ืฉ ื›ืœื•ื,
01:37
which may tell you a little about what we're going to do,
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ื•ื–ื” ืื•ืœื™ ื™ื’ื™ื“ ืœื›ื ืงืฆืช ืขืœ ืžื” ืื ื—ื ื• ืขื•ืžื“ื™ื ืœืขืฉื•ืช.
01:39
a scientific experiment to understand the brain.
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ืื ื—ื ื• ืขื•ืžื“ื™ื ืœืขืฉื•ืช ื ื™ืกื•ื™ ืžื“ืขื™ ืœื”ื‘ื™ืŸ ืืช ื”ืžื•ื—.
01:42
So ...
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ืื–...
01:44
This is the leg of a cockroach.
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ื–ื• ืจื’ืœ ืฉืœ ืžืงืง
01:46
And a cockroach has all these beautiful hairs
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ื•ืœืžืงืง ื™ืฉ ืืช ื›ืœ ื”ืฉืขืจื•ืช ื”ื™ืคื•ืช ื”ืืœื•
01:48
and pricklies all over it.
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ื•ืงื•ืฆื™ื ืขืœ ื›ื•ืœื”.
01:50
Underneath each one of those is a cell,
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ืžืชื—ืช ืœื›ืœ ืื—ืช ืžืืœื• ื™ืฉ ืชื,
01:53
and this cell's a neuron that is going to send information
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ื•ื”ืชื ื”ื–ื” ื”ื•ื ื ื™ื•ืจื•ืŸ, ื•ื”ื ื™ื•ืจื•ืŸ ื”ื–ื” ืขื•ืžื“ ืœืฉืœื•ื— ืžื™ื“ืข
01:56
about wind or vibration.
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ืขืœ ื”ืจื•ื— ืื• ื”ืจืขื™ื“ื•ืช. ืื ืื™ ืคืขื ื ื™ืกื™ืชื ืœืชืคื•ืฉ ืžืงืง, ื–ื” ืงืฉื”
01:57
If you ever try to catch a cockroach, it's hard because they can feel you coming
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ืžืคื ื™ ืฉื”ื ื™ื›ื•ืœื™ื ืœื”ืจื’ื™ืฉ ืืชื›ื ื‘ืื™ื ืœืคื ื™ ืฉืืชื ืืคื™ืœื• ืฉื, ื”ื ืžืชื—ื™ืœื™ื ืœืจื•ืฅ.
02:01
before you're even there, they start running.
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02:03
These cells are zipping up this information up to the brain
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ืื– ื”ืชืื™ื ื”ืืœื” ืžืฉื’ืจื™ื ืืช ื”ืžื™ื“ืข ื”ื–ื” ืœืžื•ื—
ืขืœ ื™ื“ื™ ื”ืืงืกื•ื ื™ื ื”ืงื˜ื ื™ื ื”ืืœื” ืขื ืžืกืจื™ื ืืœืงื˜ืจื•ื ื™ื™ื ื‘ืชื•ื›ื.
02:06
using those little axons with electronic messages in there.
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ืื– ืื ื—ื ื• ืขื•ืžื“ื™ื ืœื”ืงืœื™ื˜ ืขืœ ื™ื“ื™ ืชืงื™ืขืช ืžื—ื˜ ื‘ืคื ื™ื ืฉื.
02:09
We're going to record by sticking a pin right in there.
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ืื– ืื ื—ื ื• ืฆืจื™ื›ื™ื ืœื”ื•ืจื™ื“ ืจื’ืœ ืœืžืงืง --
02:11
We need to take off the leg of a cockroach --
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02:14
don't worry, they'll grow back --
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ืืœ ืชื“ืื’ื•, ื”ืŸ ื™ื’ื“ืœื• ื—ื–ืจื” --
02:16
then we're going to put two pins in there.
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ืื– ืื ื—ื ื• ื ืชืงืข ืฉืชื™ ืžื—ื˜ื™ื ืฉื. ืื—ืช ืžื”ืžื—ื˜ื™ื, ืืœื” ืžื—ื˜ื™ื ืžืชื›ืชื™ื•ืช,
02:18
These are metal pins.
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02:19
One will pick up this electronic message, this electric message is going by.
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ืชืงืœื•ื˜ ืืช ื”ืžืกืจ ื”ื—ืฉืžืœื™, ื”ืžืกืจ ื”ื—ืฉืžืœื™ ืขื•ื‘ืจ ืฉื.
02:23
So, we're now going to do the surgery, let's see if you guys can see this.
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ืื–, ืื ื—ื ื• ืขื•ืžื“ื™ื ืขื›ืฉื™ื• ืœืขืฉื•ืช ื ื™ืชื•ื—, ื‘ื•ืื• ื ืจืื” ืื ืืชื ื™ื›ื•ืœื™ื ืœืจืื•ืช ืืช ื–ื”.
ื›ืŸ, ื–ื” ืžื’ืขื™ืœ...
02:28
Yeah, it's gross ...
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ื‘ืกื“ืจ... ืื– ื”ื ื” ืื ื—ื ื• ืžืชื—ื™ืœื™ื ...
02:32
All right. So there we go.
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ืืชื ื™ื›ื•ืœื™ื ืœืจืื•ืช ืืช ื”ืจื’ืœ ื›ืืŸ.
02:35
You guys can see his leg right there.
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02:37
Now I'm going to take this leg,
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ืื– ืื ื™ ืขื•ืžื“ ืœืงื—ืช ืืช ื”ืจื’ืœ ื”ื–ื•, ืื ื™ ืขื•ืžื“ ืœืฉื™ื ืื•ืชื” ื‘ืชื•ืš ื”ื”ืžืฆืื” ื”ื–ื• ืฉื”ื’ื™ื ื•
02:39
I'm going to put it in this invention that we came up with
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02:41
called the Spikerbox --
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ืฉื ืงืจืืช ืชื™ื‘ืช ืกืคื™ื™ืงื™ื --
ื•ื–ื” ืžื—ืœื™ืฃ ื”ืจื‘ื” ืฆื™ื•ื“ ื™ืงืจ ื‘ืžืขื‘ื“ืช ืžื—ืงืจ
02:43
and this replaces lots of expensive equipment in a research lab,
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ืื– ืืชื ื™ื›ื•ืœื™ื ืœืขืฉื•ืช ืืช ื–ื” ื‘ืชื™ื›ื•ื ื™ื ืฉืœื›ื,
02:46
so you guys can do this in your own high schools,
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02:49
or in your own basements if it's me.
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ืื• ื‘ืžืจืชืฃ ื‘ื‘ื™ืช ืื ื–ื” ื”ื™ื™ืชื™ ืื ื™ --
02:53
(Audience: Laughter)
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02:55
So, there.
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ืื– ื”ื ื”. (ืฆื—ื•ืง)
02:59
Can you guys see that?
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ืืชื ื™ื›ื•ืœื™ื ืœืจืื•ืช ืืช ื–ื” ื—ื‘ืจื”? ื‘ืกื“ืจ, ืื– ืื ื™ ืื“ืœื™ืง ืืช ื–ื”.
03:01
Alright, so I'm going to go ahead and turn this on.
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ืื ื™ ืขื•ืžื“ ืœื—ื‘ืจ ืืช ื–ื”. (ืงื•ืœื•ืช ืฉืœ ื ื™ื•ืจื•ื ื™ื ื™ื•ืจื™ื)
03:06
I'm going to plug it in.
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ื‘ืฉื‘ื™ืœื™, ื–ื” ื”ืฆืœื™ืœ ื”ื™ืคื” ื‘ื™ื•ืชืจ ื‘ืขื•ืœื.
03:08
(Tuning sound)
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03:09
To me, this is the most beautiful sound in the world.
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ื–ื” ืžื” ืฉื”ืžื•ื— ืฉืœื›ื ืขื•ืฉื” ืขื›ืฉื™ื•.
03:11
This is what your brain is doing right now.
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03:13
You have 100 billion cells making these raindrop-type noises.
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ื™ืฉ ืœื›ื 100 ืžื™ืœื™ืืจื“ ืชืื™ื ืฉืขื•ืฉื™ื ืืช ืฆืœื™ืœื™ ื˜ื™ืคื•ืช ื”ื’ืฉื ื”ืืœื”
03:16
Let's take a look at what it looks like,
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ืื– ื‘ื•ืื• ื ืจืื” ืื™ืš ื–ื” ื ืจืื”,
03:18
let's pull it up on the iPad screen.
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ื‘ื•ืื• ื ืขืœื” ืืช ื–ื” ืขืœ ืžืกืš ื”ืื™ื™ืคื“
ื—ื™ื‘ืจืชื™ ื’ื ืืช ื”ืื™ื™ืคื“ ืœืคื”.
03:20
I plugged my iPad into here as well.
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ืื– ื–ื›ืจื• ืžื” ืฉืืžืจื ื• ืขืœ ืืงืกื•ื ื™ื, ืื™ืš ืืžืจื ื• ืฉื”ื•ื ื ืจืื”, ื ืจืื” ื›ืžื• ืกืคื™ื™ืง. (ืงืคื™ืฆื”)
03:22
So remember we said the axon looks like a spike.
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03:24
So we're going to take a look
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ืื– ืื ื—ื ื• ื ื‘ื™ื˜ ื‘ืื™ืš ืฉืื—ื“ ืžื”ื ื ืจืื” ืขื•ื“ ืจื’ืข.
03:25
at what one of them looks like in just a brief second.
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ืื ื—ื ื• ืขื•ืžื“ื™ื ืœื”ืงื™ืฉ ืคื”, ื›ืš ืฉื ื•ื›ืœ ืœืžืฆืข ืืช ื”ื‘ื—ื•ืจ.
03:28
We're going to tap here,
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03:29
so we can sort of average this guy.
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03:31
So there we see it. That's an action potential.
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ืื– ื”ื ื” ืื ื—ื ื• ืจื•ืื™ื ืืช ื–ื”. ื–ื” ืคื•ื˜ื ืฆื™ืืœ ืคืขื•ืœื”.
03:34
You've got 100 billion cells in your brain doing this right now,
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ื™ืฉ ืœื›ื 100 ืžื™ืœื™ืืจื“ ืชืื™ื ื‘ืžื•ื— ืฉืขื•ืฉื™ื ืืช ื–ื” ืขื›ืฉื™ื•,
03:37
sending all this information back about what you're seeing, hearing.
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ืฉื•ืœื—ื™ื ืืช ื›ืœ ื”ืžื™ื“ืข ื”ื–ื” ื—ื–ืจื” ืขืœ ืžื” ืฉืืชื ืจื•ืื™ื, ื•ืžื” ืฉืืชื ืฉื•ืžืขื™ื.
ืื– ืืžืจื ื• ื’ื ืฉื–ื” ืชื ืฉื™ืงื‘ืœ ืžื™ื“ืข ืขืœ ืจืขื™ื“ื•ืช ื‘ืจื•ื—.
03:40
We also said this is a cell
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03:41
that's going to be taking up information about vibrations in the wind.
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03:45
So what if we do an experiment?
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ืื– ืžื” ืื ื ืขืฉื” ื ื™ืกื•ื™?
03:46
We can actually blow on this and hear if we see a change.
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ืื ื—ื ื• ื™ื›ื•ืœื™ื ืœื ืฉื•ืฃ ืขืœ ื–ื” ื•ืœืฉืžื•ืข ืื ืื ื—ื ื• ืจื•ืื™ื ืฉื™ื ื•ื™.
03:49
Are you guys going to be ready?
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ืืชื ืžื•ื›ื ื™ื ืœื–ื”?
03:50
If I blow on it you tell me if you hear anything.
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ืื ืื ื™ ืื ืฉื•ืฃ ืขืœ ื–ื” ืชื’ื™ื“ื• ืœื™ ืื ืืชื ืฉื•ืžืขื™ื ืžืฉื”ื•.
03:53
(Blowing)
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(ืงื•ืœื•ืช ืฉืœ ืกืคื™ื™ืงื™ื ืžื’ื™ื‘ื™ื ืœืจื•ื—)
03:55
(Sound changes)
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03:57
Let me just touch this with a little pen here.
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ืชื ื• ืœื™ ืจืง ืœื’ืขืช ื‘ื–ื” ืขื ืขื˜ ืงื˜ื ื” ืคื”.
03:59
(Noise)
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(ืจืขืฉ)
04:02
That was the neural firing rate.
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ื–ื” ืœืžืขืฉื” ื˜ื•ื•ื— ื”ื™ืจื™ ื”ื ื™ื•ืจื•ื ื™. ื–ื” ืœืžืขืฉื” ืœืงื— ื–ืžืŸ
04:04
That actually took a while in neuroscience to understand this.
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ื‘ืžื“ืขื™ ื”ืžื•ื— ื›ื“ื™ ืœื”ื‘ื™ืŸ ืืช ื–ื”.ื–ื” ื ืงืจื ืงื™ื“ื•ื“ ืงืฆื‘,
04:07
This is called rate coding:
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04:08
the harder you press on something, the more spikes there are,
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ื•ื–ื” ืฉื›ืžื” ืฉืชืœื—ืฆื• ื—ื–ืง ื™ื•ืชืจ ืขืœ ืžืฉื”ื•, ืชืงื‘ืœื• ื™ื•ืชืจ ืกืคื™ื™ืงื™ื,
04:11
and all that information is coming up to your brain.
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ื•ื›ืœ ื”ืžื™ื“ืข ื”ื–ื” ื‘ื ืืœ ื”ืžื•ื—.ื•ื›ืš ืืชื ืงื•ืœื˜ื™ื ื“ื‘ืจื™ื.
04:14
That's how you perceive things.
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04:15
So that's one way of doing an experiment with electricity.
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ืื– ื–ื• ื“ืจืš ืื—ืช ืœืขืฉื•ืช ื ื™ืกื•ื™ ื‘ื—ืฉืžืœ.
04:18
The other way is that your brain is not only taking in electrical impulses,
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ื”ื“ืจืš ื”ืื—ืจืช ื”ื™ื ืฉื”ืžื•ื— ืœื ืจืง ืžืงื‘ืœ ืคื•ืœืกื™ื ื—ืฉืžืœื™ื™ื,
04:22
you're also sending out.
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ืืชื ื’ื ืฉื•ืœื—ื™ื ื”ื—ื•ืฆื”. ื›ืš ืืชื ืžื–ื™ื–ื™ื ืืช ื”ืฉืจื™ืจื™ื.
04:24
That's how you move your muscles around.
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ื‘ื•ืื• ื ืจืื” ืžื” ืงื•ืจื” ืื ืื ื™ ืื—ื‘ืจ ืžืฉื”ื• ื—ืฉืžืœื™
04:26
Let's see what happens if I've plugged in something that's electric
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ืœืชื•ืš ืจื’ืœ ื”ืžืงืง.
04:29
into the cockroach leg here.
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04:31
I'm going to take two pins, I'm going to plug them onto the cockroach.
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ืื ื™ ืืงื— ืฉืชื™ ืžื—ื˜ื™ื, ืื ื™ ืื—ื‘ืจ ืื•ืชืŸ ืœืชื•ืš ื”ืžืงืง.
04:34
I'm going to take the other end, I'm going to plug in into my iPod.
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ืื ื™ ืืงื— ืืช ื–ืงืฆื” ื”ืฉื ื™, ืื ื™ ืื—ื‘ืจ ืื•ืชื• ืœืื™ื™ืคื•ื“ ืฉืœื™.
04:38
It's my iPhone actually.
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ื–ื” ื”ืื™ื™ืคื•ืŸ ืฉืœื™ ืœืžืขืฉื”.
04:39
Do you guys know how your earbuds work in your ears?
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ืื ื™ ืœื ื™ื•ื“ืข ืื ืืชื ื™ื•ื“ืขื™ื ืืช ื–ื”, ืื‘ืœ ืืชื ื™ื•ื“ืขื™ื ืื™ืš ื”ืื•ื–ื ื™ื•ืช ืขื•ื‘ื“ื•ืช ื‘ืื•ื–ื ื™ื™ื ืฉืœื›ื?
04:42
You have a battery in your phone, or iPod, right?
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ื™ืฉ ืœื›ื ืกื•ืœืœื” ื‘ื˜ืœืคื•ืŸ, ื‘ืื™ื™ืคื•ื“ ืฉืœื›ื, ื ื›ื•ืŸ?
04:45
It's sending electrical current into these magnets in your earbuds
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ื–ื” ืฉื•ืœื— ื–ืจืžื™ื ื—ืฉืžืœื™ื™ื ืœืชื•ืš ืžื’ื ื˜ื™ื ื‘ืื•ื–ื ื™ื•ืช ืฉืœื›ื
04:48
which shake back and forth and allow you to hear things.
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ืฉืจื•ื˜ื˜ื™ื ืงื“ื™ืžื” ื•ืื—ื•ืจื” ื•ืžืืคืฉืจื™ื ืœื›ื ืœืฉืžื•ืข ื“ื‘ืจื™ื.
04:51
But that current's the same currency that our brain uses,
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ืื‘ืœ ื”ื–ืจื ื”ื—ืฉืžืœื™ ื”ื–ื” ื”ื•ื ื–ื”ื” ืœื–ืจื ื”ื—ืฉืžืœื™ ืฉื”ืžื•ื— ืฉืœื ื• ืžืฉืชืžืฉ ื‘ื•
04:54
so we can send that to our cockroach leg
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ืื– ืื ื—ื ื• ื™ื›ื•ืœื™ื ืœืฉืœื•ื— ืื•ืชื• ื™ืฉื™ืจื•ืช ืœืจื’ืœ ืฉืœ ื”ืžืงืง ื•ื‘ืชืงื•ื•ื” ื–ื” ื™ืขื‘ื•ื“,
04:55
and hopefully if this works,
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04:57
we can actually see what happens when we play music into the cockroach.
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ืื ื—ื ื• ื™ื›ื•ืœื™ื ืœืžืขืฉื” ืœืจืื•ืช ืžื” ืงื•ืจื” ื›ืฉืื ื—ื ื• ืžื ื’ื ื™ื ืžื•ื–ื™ืงื” ืœืชื•ืš ื”ืจื’ืœ ืฉืœ ื”ืžืงืง.
05:00
Let's take a look.
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ื‘ื•ืื• ื ืจืื”.
(ืžื•ื–ื™ืงื” ืงืฆื‘ื™ืช) ืื ื—ื ื• ื™ื›ื•ืœื™ื ืœื”ื’ื‘ื™ืจ ืืช ื–ื”? ื”ื ื”.
05:03
(Music beat)
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05:05
Can we turn it up? There we go.
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05:07
(Audience reacts and gasps)
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(ืžื•ื–ื™ืงื” ืงืฆื‘ื™ืช)(ืงื”ืœ ืžื’ื™ื‘ ื•ืžืฉืชืื”) ืื– ืžื” ืงื•ืจื”?
05:10
GG: So what's happening?
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(ืžื•ื–ื™ืงื” ืงืฆื‘ื™ืช)
05:11
Audience: Wow!
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05:13
(Laughter)
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ืื– ืืชื ืจื•ืื™ื ืžื” ืžื–ื™ื–. ื–ื” ื–ื– ื‘ื‘ืกื™ื.
05:14
So you see what's moving. It's moving on the bass.
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05:17
All those audiophiles out there,
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ื›ืœ ืงื‘ืฆื™ ื”ืžื•ื–ื™ืงื” ืฉื ื‘ื—ื•ืฅ. ืื ื™ืฉ ืœื›ื ืžืขืจื›ื•ืช ืกื˜ืจื™ืื• ื—ื–ืงื•ืช ื•ืžื’ื ื™ื‘ื•ืช ื‘ืจื›ื‘ ืฉืœื›ื,
05:19
if you have awesome, kicking car stereos,
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05:21
you know, the bass speakers are the biggest speakers.
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ืืชื ื™ื•ื“ืขื™ื, ืจืžืงื•ืœื™ ื”ื‘ืืก ื”ื ื”ื’ื“ื•ืœื™ื ื‘ื™ื•ืชืจ.
05:23
The biggest speakers have the longest waves,
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ื”ืจืžืงื•ืœื™ื ื”ื’ื“ื•ืœื™ื ื‘ื™ื•ืชืจ ืžืคื™ืงื™ื ืืช ื”ื’ืœื™ื ื”ืืจื•ื›ื™ื ื‘ื™ื•ืชืจ, ืœื’ืœื™ื ื”ืืจื•ื›ื™ื ื‘ื™ื•ืชืจ ื™ืฉ ื”ื›ื™ ื”ืจื‘ื” ื–ืจื,
05:26
which have the most current,
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05:27
and the current is what's causing these things to move.
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ื•ื”ื–ืจื ื”ื•ื ืžื” ืฉื’ื•ืจื ืœื“ื‘ืจื™ื ื”ืืœื” ืœื–ื•ื–.
05:30
So it's not just speakers that are causing electricity.
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ืื– ื–ื” ืœื ืจืง ืจืžืงื•ืœื™ื ืฉื’ื•ืจืžื™ื ืœื—ืฉืžืœ.
05:33
Microphones also cause electricity.
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ืžื™ืงืจื•ืคื•ื ื™ื ื’ื ื’ื•ืจืžื™ื ืœื—ืฉืžืœ.(ืงืฆื‘)
05:35
(Beat)
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05:36
So I'm going to go ahead and invite another person out on the stage here
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ืื ื™ ืขื•ืžื“ ืœื”ื–ืžื™ืŸ ืื“ื ื ื•ืกืฃ ืœื‘ืžื” ืคื”
05:40
to help me out with this.
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ื›ื“ื™ ืœืขื–ื•ืจ ืœื™ ืขื ื–ื”. ืื– ื”ื ื” ืื ื—ื ื• ืžืชื—ื™ืœื™ื.(ื‘ื™ื˜ื‘ื•ืงืกื™ื ื’)
05:41
So there we go.
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05:42
(Beatboxing)
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05:47
This is the first time this has ever happened in the history of mankind.
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ื–ื• ื”ืคืขื ื”ืจืืฉื•ื ื” ืฉื–ื” ืงืจื” ื‘ื”ืกื˜ื•ืจื™ื” ืื ื•ืฉื™ืช.
05:50
Human beatbox to a cockroach leg.
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ื‘ื™ื˜ื‘ื•ืงืกื™ื ื’ ืœืจื’ืœ ืฉืœ ืžืงืง.
05:53
When you guys go back to your high school, think about neuroscience
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ื›ืฉืชื—ื–ืจื• ืœืชื™ื›ื•ืŸ ืฉืœื›ื, ื—ืฉื‘ื• ืขืœ ืžื“ืขื™ ื”ืžื•ื— ื•ืื™ืš ืืชื ื™ื›ื•ืœื™ื ืœื”ืชื—ื™ืœ ื ื™ื•ืจื•-ืžื”ืคื›ื”.
05:56
and how you guys can begin the neuro-revolution.
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05:59
Thank you very much. Bye bye.
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ืชื•ื–ื” ืจื‘ื” ืœื›ื. ื‘ื™ื™ ื‘ื™ื™. (ืžื—ื™ืื•ืช ื›ืคื™ื™ื)
06:00
(Applause)
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(ืžื•ื–ื™ืงื”)

Original video on YouTube.com
ืขืœ ืืชืจ ื–ื”

ืืชืจ ื–ื” ื™ืฆื™ื’ ื‘ืคื ื™ื›ื ืกืจื˜ื•ื ื™ YouTube ื”ืžื•ืขื™ืœื™ื ืœืœื™ืžื•ื“ ืื ื’ืœื™ืช. ืชื•ื›ืœื• ืœืจืื•ืช ืฉื™ืขื•ืจื™ ืื ื’ืœื™ืช ื”ืžื•ืขื‘ืจื™ื ืขืœ ื™ื“ื™ ืžื•ืจื™ื ืžื”ืฉื•ืจื” ื”ืจืืฉื•ื ื” ืžืจื—ื‘ื™ ื”ืขื•ืœื. ืœื—ืฅ ืคืขืžื™ื™ื ืขืœ ื”ื›ืชื•ื‘ื™ื•ืช ื‘ืื ื’ืœื™ืช ื”ืžื•ืฆื’ื•ืช ื‘ื›ืœ ื“ืฃ ื•ื™ื“ืื• ื›ื“ื™ ืœื”ืคืขื™ืœ ืืช ื”ืกืจื˜ื•ืŸ ืžืฉื. ื”ื›ืชื•ื‘ื™ื•ืช ื’ื•ืœืœื•ืช ื‘ืกื ื›ืจื•ืŸ ืขื ื”ืคืขืœืช ื”ื•ื•ื™ื“ืื•. ืื ื™ืฉ ืœืš ื”ืขืจื•ืช ืื• ื‘ืงืฉื•ืช, ืื ื ืฆื•ืจ ืื™ืชื ื• ืงืฉืจ ื‘ืืžืฆืขื•ืช ื˜ื•ืคืก ื™ืฆื™ืจืช ืงืฉืจ ื–ื”.

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