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Their prototype reminds me of concept car designs that look great but don't have enough internal space for an engine. You'd maybe fit a AAA battery in the handle but I haven't even seen a torch that works without more juice.

Also, I was kind of suspicious when I noticed that more than half of the team have beards.




I doubt you could get more than a watt out of a AAA anyway.


A one-watt laser is pretty powerful (Class 4). Most laser pointers in the US can't exceed 5 milliwatts. One watt is several times what's needed to light various common materials on fire.

https://www.youtube.com/watch?v=woiTedSKPrk


They do additionally claim a 10 year battery life.




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