This video talks about a new ultra white paint which the inventors claim could dramatically reduce air conditioning costs.
https://www.youtube.com/watch?v=Ay6ckBojc_0 see also press release: https://www.purdue.edu/newsroom/releases/2021/Q2/the-whitest-paint-is-here-and-its-the-coolest.-literally..html However, the explanation doesn't make sense to me. If the new paint is so good at reflecting sunlight in the visible as well as the infrared and ultraviolet regions how can it facilitate indoor cooling? They are claiming that it can transmit infrared radiation but isn't a good reflector of radiation also a bad transmitter of radiation? Harry
