Too cool, part 41: Can’t get much smaller

I know, I just did a ‘Too Cool’ post, but then I came across this and it certainly deserves to be in here. Neatorama linked me over to an article on Quartz about a rather intriguing accomplishment in macro work, which is that little purple dot in the center of the image below, because this is apparently a single atom, captured with a conventional camera as well.

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