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Inventions That Shook the World: 1920s

44 minutes 6 seconds

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The roaring '20s marked a decade of unprecedented prosperity. It's no wonder the inventions that defined the 1920s are all about entertainment and convenience. Motion picture and television are two of the greatest inventions since sliced bread - both of which were invented during this time. Other inventions featured include the rocket, the lie detector, and Einstein's refrigerator.

Media Details

Runtime: 44 minutes 6 seconds

Black and white photograph of an early plane with a person standing next to it. Caption: That first motorized flight lasts only 12 seconds,
Inventions That Shook The World
Season 1 / Ep 1
44 minutes 7 seconds
Grade Level: 9 - 12
Graphic of a large ocean liner moving towards an iceberg. Caption: will reveal how far away the object is.
Inventions That Shook The World
Season 1 / Ep 2
44 minutes 4 seconds
Grade Level: 9 - 12
A man watching fire come out of a cylinder. Caption: Goddard thinks he finally has his fuel.
Inventions That Shook The World
Season 1 / Ep 3
44 minutes 6 seconds
Grade Level: 9 - 12
A clear glass tube with a flat object inside. On the bottom it is encased in metal with prongs so that it can plug into something. Caption: Through trial and error, he creates one small vacuum tube
Inventions That Shook The World
Season 1 / Ep 4
43 minutes 55 seconds
Grade Level: 9 - 12
Forklift with a pallet carrying bags of Tidy Cat in a warehouse full of similar pallets. Caption: Soon he's exporting Kitty Litter all around the world.
Inventions That Shook The World
Season 1 / Ep 5
43 minutes 56 seconds
Grade Level: 9 - 12
Black and white photograph of a rocket-like object on its side in an industrial area. Caption: Sputnik heads for the launchpad,
Inventions That Shook The World
Season 1 / Ep 6
41 minutes 41 seconds
Grade Level: 9 - 12
Person with a complex arrangement of wires and electronics partially assembled. Caption: Next, Ralph constructs an actual game box,
Inventions That Shook The World
Season 1 / Ep 7
44 minutes 5 seconds
Grade Level: 9 - 12
Two people getting into the passenger and driver side of a black vehicle. Caption: (narrator) He's built a hybrid gas/electric vehicle
Inventions That Shook The World
Season 1 / Ep 8
42 minutes 53 seconds
Grade Level: 9 - 12
Map of the United States with locations highlighted on the east and west coasts as well as the area directly between. Caption: It's a primitive forerunner to the Internet.
Inventions That Shook The World
Season 1 / Ep 9
44 minutes 7 seconds
Grade Level: 9 - 12
Two people in lab coats. Caption: His electrode is doing exactly the job it's supposed to.
Inventions That Shook The World
Season 1 / Ep 10
44 minutes
Grade Level: 9 - 12