Hacker News new | ask | show | jobs
by steckerbrett 3899 days ago
I doubt you could get more than a watt out of a AAA anyway.
1 comments
thisisdave 3898 days ago
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

link
steckerbrett 3898 days ago
They do additionally claim a 10 year battery life.
link