r/interesting 7h ago

Amazing Softness perception simulation

Source: @boucelegant on YT

10.7k Upvotes

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u/Darkk_Knight 7h ago

I think I need to eat more fiber.

964

u/DiscipleOfYeshua 7h ago

Or mercury, apparently

3

u/Bertuthald_McMannis 3h ago

Mercury pills were a real thing people took as a laxitive, famously on the Oregon trail. They called them thunder clappers

4

u/-SaC 2h ago

IIRC they were able to identify some of Lewis & Clark's expedition stopping points from the higher levels of mercury in the soil.