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 ...

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 ...

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 ...