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Using Euro coins as weights (2004)
(www.rubinghscience.org)
180 points
Tomte
| 1 comments |
20 Oct 24 10:18 UTC
|
HN request time: 0.203s
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source
1.
zczc
◴[
20 Oct 24 16:51 UTC
]
No.
41896700
[source]
▶
>>41894359 (OP)
#
Soviet copper kopecks coins (1, 2, 3, 5) weighed their exact nominal value in grams
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