This instructional film shows the three parts of a lever and demonstrates how various levers help to move things more easily, or move them farther and faster.
Black Hole Hunters
Einstein's Universe
The Atom: A Love Affair
Tien Shan Dream
Madman's dictionary
Attacking the Devil: Harold Evans and the Last Nazi War Crime
Popular Science J-8-1
Microcosmos
There Will Be Oil
Root of All Evil?
Longevity Hackers
Europe‘s Largest Desert
