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Using Euro coins as weights (2004)

(www.rubinghscience.org)
180 points Tomte | 2 comments | | HN request time: 0.397s | source
1. sksxihve ◴[] No.41897042[source]
Big Ben uses a stack of pennies to keep it accurate
replies(1): >>41899557 #
2. ◴[] No.41899557[source]