#Purifying water with the help of wood, bacteria and the sun
“#Purifying water with the help of wood, bacteria and the sun” A solar steam generator has an upper layer (black) of light-absorbing carbon nanotubes, a middle layer (grey) of heat-insulating glass bubbles, and a bottom layer (brown) of water-transporting wood. Credit: Adapted from Nano Letters 2020, DOI: 10.1021/acs.nanolett.0c01088 According to the United Nations, about one-fifth…