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Comment by steckerbrett | Hacker News Reader
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steckerbrett
·
I doubt you could get more than a watt out of a AAA anyway.
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thisisdave
·
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
steckerbrett
·
They do additionally claim a 10 year battery life.
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