3D-Printed Skateboard OneWheel
Ivan Miranda wanted to re-imagine the OneWheel, a single-wheeled electric skateboard that’s both fun and dangerous. He wanted to improve the OneWheel’s lean-to-steer mechanism by adding a second wheel. Miranda’s journey to make this two-wheeled contraption using a 3D printer, aluminum extrusions and a deadline ,is a story of creativity, chaos as well as a few near misses.

Miami-Dade Police Unmanned Ground Vehicle PUG Autonomous
Miami-Dade County just welcomed a new member to its sheriff’s fleet, and this one drives on its own. Unveiled this week among the bustle of a luxury automobile showroom, the Police Unmanned Ground Patrol Partner—PUG for short—marks the first time a U.S. law enforcement department has brought out a completely autonomous patrol vehicle. Built on the strong frame of a Ford Police Interceptor Utility, the PUG drives familiar streets without a human behind the wheel, keeping an eye out for trouble via a bank of cameras and sensors.