Mark Rober's CrunchLabs 3x1
Season 3 · Episode 1
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Overview
What's the most destructive substance on Earth? Lava's the reigning champ - but how do lasers stack up? Mark and his friends are about to find out.
Season 3 · Episode 1
What's the most destructive substance on Earth? Lava's the reigning champ - but how do lasers stack up? Mark and his friends are about to find out.
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