In this video I show you what it would look like to slow the speed of light down to around walking speed. So with just ...

Wormholes sit at the edge of science and storytelling, promising shortcuts across the cosmos and even pathways through time.

The science of pupillometry takes a common intuition — that you can tell a lot about someone when you look them in the eye — and makes it concrete, measurable, and extraordinarily useful. By combining ...