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Funny@sh.itjust.works · 1 day ago

Laser Adventure

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Laser Adventure

cm0002@lemmy.world to

Funny@sh.itjust.works · 1 day ago

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1 day ago
In grad school I bought a blue (405nm) laser pointer. It was supposed to be <5mW, but I measured it at over 70mW.

Funny@sh.itjust.works

funny@sh.itjust.works

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