“Star Wars” lightsabers are a novel idea. They’re lightweight, portable, and their laser-like beams can cut through just about anything. Unfortunately, the reality isn’t so simple. Astrophysicist and “StarTalk Radio” host Neil deGrasse Tyson explains how the fictional blade would work in real life.
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StarTalk Radio is a podcast and radio program hosted by astrophysicist Neil deGrasse Tyson, where comic co-hosts, guest celebrities, and scientists discuss astronomy, physics, and everything else about life in the universe. Follow StarTalk Radio on Twitter, and watch StarTalk Radio “Behind the Scenes” on YouTube.
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