When you throw a ball in the air, the equations of classical physics will tell you exactly what path the ball will take as it falls, and when and where it will land. But if you were to squeeze that ...

Imagine shining a flashlight across a dark room. You can predict exactly what the light will do: travel in a straight line from one point to another. That seems obvious, because in the world we see ...

Here’s what you’ll learn when you read this story… A mind-bending theory called quantum immortality suggests that your consciousness shifts to parallel universes after you die. The theory is an ...