While we wait to see if the European Space Agency’s ExoMars mission and its Schiaparelli lander makes it to the Martian surface intact, here is Neil deGrasse Tyson, astrophysicist and Frederick P. Rose Director of the Hayden Planetarium, taking on that most important of questions: are lightsabers physically possible?
Curious? I know I am!
J.R. Johnson 
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