Intrepid 6-wheeler Curiosity perhaps protested too much when it tweeted "Yes, I've got a laser beam attached to my head. I'm not ill tempered; I zapped a rock for science." NASA turned the rover's high-powered laser loose with 30 pulses of a million watts each, reducing a thin layer of the chosen stone, dubbed N165 "Coronation," to plasma. The resulting spectrum was then analyzed by the on-board "ChemCam" to determine its composition, and
