Neil deGrasse Tyson and Brian Cox Discuss Lightsabers

February 08, 2016 16:59 EST • Alexandre Vallières-Lagacé • less than 1 minute read

Awhile back, Neil deGrasse Tyson and Brian Cox had a little Twitter fight regarding lightsabers and how they would, according to Neil, pass right through each other. This little Twitter feud was revisited by both of them when filming a segment for the National Geographic.

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