[Dennis] built a robot by the name of Sun Chaser that has the smarts to go where the sun is shining. Sun Chaser is essentially a robotic solar panel, tasked with filling up its batteries as much ...

For comparison’s sake, the Airtouch AT 3.0 is a six-meter robot. “Each unit can clean up to 2000 meters on a full charge,” a spokesperson from Airtouch Solar told pv magazine. “Optional ...