3 ms·
How do they keep the mirrors clean? How do you keep solar panels clean for that matter? Must require quite a bit of upkeep.
by tonylemesmer 13y ago
How do they keep the mirrors clean? How do you keep solar panels clean for that matter? Must require quite a bit of upkeep.
- _mulder_ 13y agoLike this.. http://www.youtube.com/watch?v=zLogKN80plY http://www.youtube.com/watch?v=zLogKN80plY
- tonylemesmer 13y agoHa! interesting. Sand and shiny mirrors don't mix very well.