Make 3-dimensional objects out of 2-dimensional shapes and use them to send secret messages! Ask, "What’s the difference between 2-dimensional and 3-dimensional objects? Where else do we see ...

In the world of the long-running kids show Cyberchase, Motherboard, a sort of digital queen and literal technocrat, is the beneficent but impaired leader of all of cyberspace. She is—we are to ...

Harry uses the secrets of the one-sided Möbius strip to reveal surprising ‘loopholes’! Harry uses the awesome secrets of the one-sided Möbius strip to reveal surprising 'loopholes' to his audience.