Space.com #Pew! Pew! Pew! Mars Rover Curiosity Can Now Fire Laser On Its Own 21 July 2016 fborgosano Leave a comment Share: The car-size Curiosity rover recently began autonomously choosing some of the targets for its ChemCam instrument, which blasts Martian rocks or soil with a laser and analyzes the composition of the resulting vapor. from Space.com ift.tt/2aeOWOv Share: