New Solar Satellite Uses Pigment Found In Prehistoric Cave Paintings

The European Space Agency's new solar satellite will be partially shielded using a bone-based pigment found in prehistoric cave paintings. The result will be a surreal cross between the earliest era of human cognition and creativity—that underground cinematic world of flickering animal images found in European… » 2/12/14 12:20pm 2/12/14 12:20pm