|
Passive Heating [i]and[/i] Cooling
I commented recently that ultrawhite paint and biochar could "save the planet". Here it is paired with Vanta Black and powered by a wax motor.
It looks like it comes down to the weatherability of the coatings and reliability of the hinged flaps.
__________________
.
.Without freedom of speech we wouldn't know who all the idiots are. -- anonymous poster
|