>o their 1793 measurement of the distance from the equator to the North Pole was off by less than 2 km.... Or, like a lot of people, the Earth's put on a bit o

>o their 1793 measurement of the distance from the equator to the North Pole was off by less than 2 km.... Or, like a lot of people, the Earth's put on a bit of wieght in the intervening 200+ years