https://www.newscientist.com/article/2276384-your-finger-can-feel-the-change-of-a-single-atom-in-a-material/?utm_campaign=RSS|NSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news
We mostly tell textures apart by their surface characteristics, but now we know that the human fingertip can sense molecular changes, even if it’s just a single swapped atom
newscientist.com
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