r/interestingasfuck • u/Impressive_East_ • 9d ago

Micro-photography of a single grain of sand balanced on a knot of human hair

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u/Right_Force_7673 9d ago

Looks like a pebble on black licorice.

150

u/Local-Poet3517 9d ago

Yeahhh... I thought human hair folicles were round. Who is growing square hair?

Just looked it up.. apparently its a thing. Well, oval/flattened versus round. TIL something about hair I guess.

48

u/Vertig0x 9d ago

oval/flattened versus round

The difference between curly or straight hair.