In this short science demo, I show off ferrofluid, a liquid packed with tiny magnetic particles. Using simple magnets, I create dramatic spikes so you can actually see the invisible magnetic field in ...

Research means asking questions of the universe. For centuries, clever minds have advanced science by devising ingenious experiments designed so their results reveal something about the laws of nature ...

The Matter of Everything tells the history of physics through experiments. Any book about the history of science for a general audience will, of necessity, be something of a distortion. The question ...