7 ms·
According to the article the 1/4e10 circumference definition came second
by owisd 2y ago
According to the article the 1/4e10 circumference definition came second
- rich_sasha 2y agoWikipedia says the Earth circumference definition comes from around Copernican times. Also my reading of TFA is that the pendulum definition was in fact a redefinition that didn't catch on.
- Ekaros 2y agoI wonder how many numbers they checked until they arrived on this one. As to me it seems picked as something close enough for committee work.