Surprising perceptual illusions

A lot smaller. Here is an interactive site that lets you check among the largest and smallest objects in the known universe.
https://scaleofuniverse.com/en


That's a good one.

I believe the focus of the presentation posted earlier was on cells, viruses and related structures, and didn't go all the way down to molecules, atoms and subatomic particles...
 
like this one, Qr core as art
ukiyo-e.jpg
 
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