3 ms·
Wouldn't floating white spheres make more sense ? If the goal is to avoid overly warm mater.
by euroderf 4y ago
Wouldn't floating white spheres make more sense ? If the goal is to avoid overly warm mater.
- weberer 4y agoWhite would reflect more, but also allow light to pass through. The goal of these are to completely block light to prevent algae growth.
- Tyrannosaur 4y agohttps://youtu.be/uxPdPpi5W4o?t=403 https://youtu.be/uxPdPpi5W4o?t=403 Veritasium video about Los Angeles' reservoir black spheres project. They used black because - The goal was light-blocking more than anything else; black worked best - The black pigment held up to the environment (especially UV degradation) better than anything else they tried I expect the second point was the most important thing. Black plastic is very stable.