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History of Technology 1: Energy Toolbox 64 Views
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Description:
Without energy, none of us would be alive today… and we’re not talking about the kind of energy you get from a can or a double shot of espresso.
Transcript
- 00:04
Hydroelectric damns, nuclear fission reactors, photovoltaic cells
- 00:10
coal-burning power plants internal combustion engine these are all systems [Lightning bolt cartoon whistling and is kidnapped by two men]
- 00:16
for grabbing energy without them we couldn't check our email drive to school
- 00:21
or play pokemon go well some uses are more productive than other but [Man is knocked down by an orange car]
- 00:26
seriously without all that energy technology the world would look a lot
Full Transcript
- 00:29
more like Little House on the Prairie except with less wholesome family fun [Little House on the Prairie on the television]
- 00:33
and more scrabbling to survive using only human muscle power all right so [Woman changing the channel on the TV]
- 00:39
your minds probably buzzing with questions or maybe just an infestation
- 00:43
of bees, you should probably check that out but if you do have questions they might sound a
- 00:46
little like this why didn't people harness the power of energy sooner what [People protesting regarding why energy wasn't harnessed sooner]
- 00:52
were the major revolutions in energy production why do hoverboards catch fire
- 00:57
well think of this lesson a handy dandy tool box for the whole unit in [Toolbox opens to release a selection of tools]
- 01:01
slices it dices it gives a basic understanding of what energy is and how
- 01:07
we use it though er diving right in not to get too technical but to energy is power and [Man dressed as a genie holding the word Energy in one hand and Power in the other]
- 01:14
beyond that well its existence yeah it sounds like something a yoga teacher my
- 01:18
say over soothing world music and bubble tea but it's also a scientific [Woman performing yoga on a mountainside]
- 01:23
fact everything in the universe is made of energy getting objects to release
- 01:28
their energy is the tricky part it's not as easy is tickling a flatulent old [A boy tickles an elderly man on a bench]
- 01:32
person well we live on a particular chunk of floating space debris called
- 01:36
Earth chances are that whoever is watching this so it does too.. Nice to
- 01:41
have things in common though any aliens watching this are welcome to shmoop does [ET Alien sat beside a spacecraft command center]
- 01:45
not discriminate anyway on our shared planet of Earth we receive boatloads of
- 01:49
energy every second from our closest star most people have heard of it it's [Truck delivering energy to Earth]
- 01:54
called though what name again oh yeah the Sun lots of ancient cultures
- 01:58
worshipped the Sun as a god these days most people on earth don't believe that [Sun brightly shining in the distance]
- 02:03
the Sun is an all-knowing being in the sky but those ancient cultures weren't
- 02:07
actually too far off the mark the Sun and the energy it beams to us are [Sun beaming energy to a seed in soil]
- 02:12
responsible for all life on Earth well the earliest
- 02:16
microorganisms were solar powered and our entire world ecosystem works because of [Tiny microorganisms holding solar panels]
- 02:22
the Sun.. So in a way the Sun is like the great creator gods of many religions
- 02:26
without it we would not exist the story of human technology is really the story
- 02:31
of human control over energy the amount of energy we can access and how [Girl steals mans Energy sign out of his hands]
- 02:35
efficiently we use it has increased drastically over time only the cavemen
- 02:41
could see us driving around Hummers what would they say maybe something like hey
- 02:46
bud those fossil fuels your burning are made up of the decayed remains of me and [Cavemen telling modern people about fossil fuels]
- 02:51
my friends or maybe they just grunt and shake their clubs
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