How Much is a Million? (2000)

1 1961

50%

Topology: Jordan's Curve Theorem

1 1978

10%

Facial Recognition

1 1978

10%

Cubits

1 1979

70%

Cosmic Clock

1 1979

10%

Cosmic Letter

1 1979

10%

Cube

1 1979

10%

Jesse: The First Year

1 1979

10%

Skeletons

1 1945

60%

6 Little Jungle Boys

1 1943

70%

Theory of the C-1 Autopilot, Part 1: Basic Principles

10 2003

62%

LeapFrog: Letter Factory

3 2003

45%

LeapFrog: Talking Words Factory