kradeelav: (Masks)
[personal profile] kradeelav

> The analogies for these things like "hitting a golf ball into a hole in one 5,000 miles away" are always fun.

> I like starting from the fact that Ptolemy was able to get the accuracy of the "motions of the heavens" down so well that it took more than a thousand years to get observations that showed discrepancies. The math, it maths.


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