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Technology Videos 160 videos

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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.

Language:
English Language

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

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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