Dispatches from District 48
Super-hydrophobic and aleophobic paint on a car, repelling water and dirt.
How long before someone pranks their 4-wheeling friend by painting their truck with this paint before they go mudding?
I solve this problem by not buying white cars.
A clear coat would be a good idea for the solar arrays on Mars rovers. Also on other hard to reach dusty places like exchangers on heat pumps.
Nice Neal Stephenson plug there...
It wears off after a year. It might be better to make it a topical wax or polish that can be applied every year.