DIY version. https://hackaday.com/2023/07/22/that-ultra-white-paint-that-helps-cool-surfaces-make-your-own/ https://hackaday.com/2023/07/22/that-ultra-white-pa

DIY version. https://hackaday.com/2023/07/22/that-ultra-white-paint-that-helps-cool-surfaces-make-your-own/ https://hackaday.com/2023/07/22/that-ultra-white-paint-that-...