Neil deGrasse Tyson breaks down why Tony Stark’s Arc Reactor might be more sci-fi than science

Neil deGrasse Tyson breaks down why Tony Stark’s Arc Reactor might be more sci-fi than science. While it looks sleek and powerful in Iron Man’s chest, the real-world physics—especially thermodynamics—aren’t so forgiving. Packing that much energy into a tiny space would generate catastrophic heat. Tyson’s verdict? Cool idea, but the laws of nature aren’t easily hacked.
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