Latitudine

They knew the world wasn't a sphere. Either it stretched at the poles or it bulged at the equator. But which? They needed to know because accurate maps saved lives at sea and made money on land. But measuring the earth was so difficult that most thought it impossible.

The world's first international team of scientists was sent to a continent of unmapped rainforests and ice-shrouded volcanoes where they attempted to measure the length on the ground of ... >Voir plus