A model of the Caltech Cannon, which hackers “borrowed” from our friends on the West Coast five years ago, appeared on the ledge below the Great Dome in the early hours of Wednesday morning. Greg Steinbrecher—The Tech May. 9, 2016 Facebook Twitter Reddit Print A model of the Caltech Cannon, which hackers “borrowed” from our friends on the West Coast five years ago, appeared on the ledge below the Great Dome in the early hours of Wednesday morning. Greg Steinbrecher—The Tech