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History of Technology 1: Nuclear Power 32 Views
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Description:
We hear nuclear power is explosively popular. Eh? Eh? ...Don't tell us to keep our day jobs. This is our day job.
Transcript
- 00:01
No you're not here shmoop er's we know the questions
- 00:04
that have been keeping you up at night and we're
- 00:06
here to answer him I'll soon you'll never have to
- 00:09
wonder about why electrons generate power when they moved from
- 00:12
adam adam or y particles even have energy in the
Full Transcript
- 00:17
first place not questions that will keep you up at
- 00:20
night There everybody's a critic Well they were keeping someone
- 00:24
up at night A certain albert einstein And lucky for
- 00:27
us you figured it out The answer surprisingly simple e
- 00:32
equals m c squared In other words energy and matter
- 00:35
are the same thing And good thing we figure that
- 00:38
out because in the last two centuries human technology and
- 00:41
human knowledge of energy have taken huge leaps forward harnessing
- 00:44
wind and water allowed cities to grow and you know
- 00:47
have huge populations who need to be bed that steam
- 00:51
and coal started the industrial revolution and oil and electricity
- 00:55
spread mechanical advances to most of humanity during the twentieth
- 00:59
century At that point we pretty much thought that all
- 01:01
possible energy sources had been found harnessed and put to
- 01:05
work We're like work here's done fellas All innovation is
- 01:10
over Nothing else to do but sit back Chow on
- 01:13
tacos and watch tv Boy where we run in the
- 01:17
mid twentieth century we discovered an energy source with the
- 01:20
power to annihilate entire cities or provide electricity for millions
- 01:24
of home The first time in human history our energy
- 01:26
no longer came solely from the sun It's a matter
- 01:29
of fact we discovered what powers the sun in the
- 01:32
first place Yep We discovered nuclear power which turns matter
- 01:36
into pure energy And yeah we freaked out a little
- 01:39
bit We're still freaking out It's Intense stuff Some people
- 01:43
thought it was the end of the world Others thought
- 01:45
it was the miracle cure for all of our energy
- 01:48
problems Either way it was new It was unheard of
- 01:51
And it was kind of scary Like the first time
- 01:53
you had a crush on someone except not like that
- 01:56
at all months Nuclear power talk about anyway around nineteen
- 02:00
hundred people believe that adam's were totally solid like unimaginably
- 02:05
tiny pool balls Remember all that stuff about electricity and
- 02:08
moving electrons Yeah they had no idea what they were
- 02:10
doing but hey they couldn't even see adam's until the
- 02:13
invention of the electron microscope in nineteen thirty one so
- 02:18
give him a break Atoms are not solid They look
- 02:21
more like a mini solar system with a nucleus instead
- 02:24
of a son and electrons instead of planets Even more
- 02:27
alarmingly adams don't always stick together Sometimes atoms decay and
- 02:32
lose particles well This decay creates radiation a waves of
- 02:36
nasty energy and particles Radioactive decay happens in small amounts
- 02:41
all the time but hey depress everyone nobody freak out
- 02:45
Every piece of matter around us is not out to
- 02:48
kill us with radiation brings out that when adam's fall
- 02:52
apart they released energy And if we smash them on
- 02:56
purpose we can really make a lot of this stuff
- 02:59
the first time that human beings intentionally split and adam
- 03:01
was in nineteen thirty eight when two german scientist named
- 03:05
hahn and strassman blasted uranium atoms with other particles while
- 03:10
less scientific minds were blasting cans for fun Hahn and
- 03:14
strassman had noticed that a surge of energy happened when
- 03:17
uranium atoms or smacked around only they could make it
- 03:21
happen over and over and over again In a chain
- 03:23
reaction they could have produced unimaginable amounts of energy and
- 03:28
after the first nuclear reaction was created people naturally wondered
- 03:32
if nuclear power could be used as a weapon Because
- 03:35
it was the nineteen forties the entire world was at
- 03:38
war again and nuclear power would have been a pretty
- 03:41
sweet trump card Well as oppenheimer the head scientist of
- 03:44
america's nuclear bomb program said after successfully setting off the
- 03:49
first avon i am become death the destroyer of worlds
- 03:54
melodramatic but was not exaggerating Once again humanity had taken
- 03:59
a potentially beneficial new discovery Hand made it lethal Insert
- 04:03
a complete lack of surprise here This is why we 00:04:06.405 --> [endTime] can't have nice things
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