Physics suggests that the future has already happened

Our intuition tells us that the future can be changed, but Einstein's theory of relativity suggests that there is no real difference between the future and the past.

The future, present and past may actually not be as different as we think, says science writer and astrophysicist Adam Becker. He explains this mind-bending idea to Michael Marshall and Melissa Hogenboom, with help from the animators at Pomona Pictures.