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From Hypothetical Heat to Solid Light: The Real Physics Challenges of Lightsaber Blades

Summary by GWW
This post From Hypothetical Heat to Solid Light: The Real Physics Challenges of Lightsaber Blades first appeared on TheGWW.com and was written by Steven Miller. For decades, lightsabers have fascinated fans as much as they’ve baffled physicists. The elegance, the sound, the glow—they’re as iconic as the Force itself. But under the flash and flair lies a question no Jedi can hand-wave away: could a lightsaber, as seen on-screen, actually work? Ho…
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GWW broke the news in on Friday, July 4, 2025.
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