extempo Karma 30 Created 12 years ago About extemporized.com@ex_tempo Recent Submissions 1. ▲ GPS, Relativity, and Pop-Science Mythology (alternativephysics.org) 1 point · 8 years ago · 0 comments 2. ▲ The Mother of All Disruptions (ribbonfarm.com) 1 point · 12 years ago · 0 comments All submissions on HN · View profile on HN