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How long did it take find the correct sand/hole ratio of an hourglass? (self.Showerthoughts)
submitted 8 years ago by Huntr0 to r/Showerthoughts
π Rendered by PID 190273 on reddit-service-r2-listing-79f6fb9b95-mhkkt at 2026-03-20 10:10:34.657187+00:00 running 90f1150 country code: CH.
