What if you’ve already seen fragments of the future - without realizing it? In this thought experiment grounded in Einstein’s relativity, we unpack how a simple diagram changes our entire ...

If there’s one thing cooler than a black hole it’s a rotating black hole. If there’s one thing cooler than a black hole it’s a rotating black hole. Why? Because we can use them as futuristic power ...

Time to redefine our preconceived notions about mass and time. We’ve broken down our preconceived notions about mass and time, now let’s redefine what they really are. Since we know that time is not a ...

This dimple in space-time is the result of what we call a gravity well, and it was first described over 100 years ago by Albert Einstein's field equations in his theory of general relativity.