this post was submitted on 01 Oct 2025
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Funny

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[โ€“] TomMasz@lemmy.world 8 points 1 month ago (1 children)

What you get for buying lasers from a country with no regulations.

[โ€“] qjkxbmwvz@startrek.website 7 points 1 month ago

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