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Neil deGrasse Tyson and Brian Cox Discuss Lightsabers
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.
@neiltyson @Comic_Con not if the photons are sufficiently high energy. Then the cross section is large.
— Brian Cox (@ProfBrianCox) July 19, 2013
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