In 1961, an interactive exhibition called Mathematica: A World of Numbers… and Beyond inaugurated the new science wing at Los Angeles’ California Museum of Science and Industry. Sponsored by IBM, it was an innovative exhibit designed by husband and wife team Charles and Ray Eames, and lucky for us, it included five short animations that explored a handful of math concepts. Watch three of our favorites:

Above, 2ⁿ – “a story about the exponential growth of numbers raised to powers.” Below, Symmetry and testing for degrees of it:

Also, Topology – how a closed curve dissects a plane into inside and outside sections:

And in the archives, don’t miss this iconic Eames film: Powers of Ten.

via Tinybop.