The mathematician who created the most accurate maps of Earth and became "the Mother of GPS".

Writing algorithms for amazing analytical engines

Inspired by Ada Lovelace’s Analytical Engine, make your own system of interconnecting gears from things around the kitchen by following this

Check out this activity to create your own beautiful, binary bracelet with a secret message written in the language of computers!

See if you can determine which of these knots are tricolorable!

An activity to learn more about how shapes behave in different numbers of dimensions.

See if you can construct knots of string, and figure out which ones are actually the same knot!

Solving a decades-old mathematical mystery