Mark Rober's CrunchLabs
9.7Returning SeriesFamilyDocumentary

Mark Rober's CrunchLabs

At CrunchLabs, Mark Rober transforms wild ideas into reality, blending engineering and outrageous fun for science adventures you'll never forget.

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1. Lava vs Laser Destruction Test

Lava vs Laser Destruction Test
0.0Mar 16, 2026 · 23 min

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.