History 101
Infographics and archival footage deliver bite-size history lessons on scientific breakthroughs, social movements and world-changing discoveries.

Season 2 · Episode 7 ·
Lasers
They're used for everything from entertainment to medicine — and now for weapons straight out of science fiction. Have lasers become too hot to handle?
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Episode 7 of season 2 of History 101: “Lasers”. Aired 2022-08-25. Watch it online free on ZapFlix.