Watch an animation of a black hole shooting jets of particles through a "collapsing star at nearly the speed of light" and ...

There’s something unforgettable about a moment in anime when a character just disappears. Not because they turned invisible, not because of some camera trick, but because they moved that fast. Faster ...

Science fiction authors and readers dream of travelling at the speed of light, but Einstein tells us we can’t. You might think that’s an arbitrary rule, but [FloatHeadPhysics] shows a different way to ...

When I was a teenager, I was—shockingly, I know—deeply nerdy. At a science-fiction convention, I bought a button that read, “186,282 miles/second: Not just a good idea, it’s the law.” It was poking ...