Mars has its first helicopter visit

Photo credit: NASA/JPL-Caltech licensed under CC BY-NC-ND 2.0 by David M. Sykes, Vice Chair, The Quiet Coalition Here’s some real buzz from NASA: they’ve launched a robotic helicopter on Mars. The old Zen koan needs a re-write: "What is the sound of one hand clapping?" Now it’s: "What is the sound of a robot helicopter on