https://www.cnet.com/news/nasa-curiosity-rover-gets-its-drilling-groove-back-on-mars/ > For the first time in more than a year, NASA's Curiosity rover has pulverized a little bit of Mars. > A rock nicknamed "Duluth" went under Curiosity's drill as a test of a new drilling method designed to overcome mechanical problems with a motor that extends the equipment between two stabilizers.