02 March 2010

Smooth

"At the time, the gyroscopes were the most nearly spherical objects ever made. Approximately the size of ping pong balls, they are perfectly round to within forty atoms (less than 10 nm). If scaled to the size of the earth, the tallest mountains would be 2.4 m (8 ft) high."

Via Fresh Photons.

No comments:

Post a Comment

Post a Comment

Related Posts Plugin for WordPress, Blogger...