Great Scott!

Is it time to park the DeLorean permanently in the garage or make that final call from the telephone booth? According to one Chinese scientist, it’s time to put away those dreams of traveling back in time to witness the signing of the Declaration of Independence or going back to the Cretaceous Period to watch a Tyrannosaurus Rex feast on a meal.

Du Shengwang’s most recent paper argues that time travel is impossible because photons cannot travel faster than light–not even if you paint cheetah stripes on them. So for those of you who still have dreams of partying with Rufus or hanging out with Doc Brown, you may just have to hash up old movies instead.

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