Scientists studying solar try solving a dusty problem

The layer of dust and pollen that settles on the windshield of your car is easily removed with a turn of the lever that activates wipers and water. Removing that layer from a solar panel—especially one inconveniently located from any source of moisture—requires considerably more work.

source https://techxplore.com/news/2021-04-scientists-solar-dusty-problem.html