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Results tagged with measurement
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user 364
5
votes
Why does the statute mile have the length that it has?
Educated Romans were presumably aware of Eratosthenes' rather accurate measurement of the earth's circumference, but it seems unlikely that this should have filtered down to military usage. …
- 3,545
24
votes
Accepted
Who first measured the distance to the Moon? How was it done?
It happened long before Newton. In the second century BC Hipparchus used lunar parallax to calculate a value for the minimum and maximum distance of the earth and moon. His results are very close to t …
- 3,545
2
votes
History of the word "scales" in graphing
There are (at least) three different English words written and pronounced “scale”.
The “scale” of a fish or reptile is a borrowing from an Old French word adopted from a Germanic form cognate with t …
- 3,545