System can sterilize medical tools using solar heat

Autoclaves, which are used to sterilize medical tools, require a steady supply of hot, pressurized steam. Researchers have come up with a way to generate that steam passively, using just the power of sunlight, to help maintain safe, sterile equipment at low cost in remote locations.

source https://www.sciencedaily.com/releases/2020/11/201118141641.htm