Increasingly, robots are being used to autonomously clean floors and other surfaces in places like airports and hospitals. You have to wonder, though … how do they know when a floor is sufficiently ...

The solar cleaning system moves horizontally and cleans the panels vertically, while a patented auto-switch allows the robot to clean from either side of the module row, which the manufacturer said ...

British scientists have developed an experimental compressed air system for the simultaneous cleaning and cooling of PV modules. The system was built with a compressed-air unit which was made of a ...