Futurist Ray Kurzweil says we’re just five years away from turning back time—no DeLorean needed. His prediction hinges on the concept of “longevity escape velocity,” where technology adds more time to our lives than we actually live. It’s a mind-bending idea, but hey, if it means skipping Mondays or revisiting your glory days, who’s complaining?

A Scientist Says Humans Will Go Backwards in Time Within Just 5 Years