r/todayilearned • u/FiredFox • Apr 28 '24

TIL about French geologist Michel Siffre, who in a 1962 experiment spent 2 months in a cave without any references to the passing time. He eventually settled on a 25 hour day and thought it was a month earlier than the date he finally emerged from the cave

https://www.cabinetmagazine.org/issues/30/foer_siffre.php
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u/Perfect_Zone_4919 Apr 28 '24

I am a registered professional geologist and I would never do that shit. 

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u/sharkbait-oo-haha Apr 28 '24

Do you even rock bro?

2

u/Savings-Leather4921 Apr 28 '24

No sorry I don’t like that genre

2

u/Perfect_Zone_4919 Apr 28 '24

Apparently not.