Anyone else just use the plastic net that onions come in until it gets gross?
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Joined 2 years ago
Cake day: December 6th, 2023
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It likely wasn’t done on an electron microscope, or at least there is no reason to. There is no scale bar, but quick look online tells me a very fine needle is about 0.016in. 500x magnification optical lens would give you more than enough resolution for a photo like that.