Today I learned ...

  • Thread starter Deleted member 4993
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Deleted member 4993

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Archimedes stated that "The ratio of the circumference of any circle to its diameter is less than 3 1/7 (= 22/7) but greater than 3 10/71 ( = 223/71)."
 
Found mathematically rather than by measurement. Not bad considering it was around 250BC.

(the provided link above now seems broken)
 
Cubist said:
Found mathematically rather than by measurement. Not bad considering it was around 250BC.

(the provided link above now seems broken)
Click to expand...
That link was to Wiki. I don't Know what happened!

Those "waskaly" Greeks were something else. I think one of the greatest example of thinking out of the box (and merging measurement with theory) was the estimation of radius of earth from measuring shadows.
 
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Subhotosh Khan said:
Those "waskaly" Greeks were something else. I think one of the greatest example of thinking out of the box (and merging measurement with theory) was the estimation of radius of earth from measuring shadows.
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Wait. The Earth was proven to be round by the Greeks? I thought Columbus did that...

-Dan
 
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