Lava vs Lasers - Which Is More Destructive? — Key Takeaways
A 3000-watt water-cooled laser and molten rock heated to 3000°F were tested head-to-head across seven destruction challenges, with lava winning most raw-power contests but laser taking the decisive final round by sinking a boat.
Key takeaways
Homemade lava: melt rocks in a graphite crucible heated to 3000°F
Homemade lava: melt rocks in a graphite crucible heated to 3000°F
- Ordinary rocks placed in a graphite crucible and heated to 3000°F liquefy into pourable lava.
- No exotic materials needed — the crucible material matters because it must withstand the same extreme heat.
Vacuum chamber lowers water's boiling point, cooking beans without heat
Vacuum chamber lowers water's boiling point, cooking beans without heat
- Removing air pressure drops water's boiling point by up to 10°F — same effect as high-altitude cooking.
- Mark boiled beans in a vacuum chamber at room temperature, though they ended up colder than when he started.
Science Bob's laser sank the boat; lava catapult and flaming arrows both failed to sink theirs
Science Bob's laser sank the boat; lava catapult and flaming arrows both failed to sink theirs
- Kevin's lava catapult hit a gas can but the boat stayed afloat; Mark's flaming arrows missed repeatedly.
- Bob's 3000W laser cut the boat in half and sank it, winning the two-point final round.
This Dig holds 2 more insights, 4 flashcards, and 3 quotes — free in Homestake.
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In this video
- 1mIntro: Contestants, Stakes, and Rules
- 2mRound 1: Glass Bottles
- 4mRound 2: Popcorn
- 7mRound 3: Metal Maze
- 10mRound 4: Can of Beans
- 14mRound 5: Matches
- 16mRound 6: Butane Canisters
- 19mFinal Round: Sinking a Boat
- 24mOutro: CrunchLabs Camp Ad and Boat Prize
“You take the maze and you just melt it down and then–”
— Kevin
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