What’s Behind the World’s Heaviest Door?
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Hand-picked by a BrighterTube curator · found via round-3 back catalogue of a channel Lumen picks video by video · 82% confidenceInvestigates the engineering and physics behind the world's heaviest door. This teaches material science and mechanical design.
A 12-minute video from Kyle Hill: “What’s Behind the World’s Heaviest Door?”.
Video by Kyle Hill, played through YouTube's embedded player.