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 not be as different as we think, says science writer and astrophysicist Adam Becker. He explains this mind-bending idea to BBC Earth’s Michael Marshall and Melissa Hogenboom, with help from the animators at Pomona Pictures.

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