Skip to content

Playback serverIf a title won’t play, switch servers.

The Nature of Things

Season 9 · Episode 8

Man And Machines

0.0December 5, 1968

The Greek inventor, Alexander Hero, first defined five basic devices which make all machines possible: lever, wedge, wheel, pulley and screw.

Previous Episode Next Episode

Episodes

Select season

Episode 1Thomas Edison
Episode 2Human Engineering
Episode 3Materials
Episode 4Structure
Episode 5Communications
Episode 6Canals And Tunnels
Episode 7Central Power
Episode 8Man And Machines
Episode 9Land And Water
Episode 10Man Aloft
Episode 11Portable Power
Episode 12Machines And Man: Transportation
Episode 13Machine And Man: Systems Engineering
Episode 14Audubon