It consists of a disc crafted from super-hydrophilic filter paper, a material that attracts water, which is coated with a layer of carbon nanotubes that convert sunlight into heat.

The seawater desalination unit, developed by a research team led by Professor Siwan Chan of the Department of Chemistry at Monash University, is a disk-shaped ultra-hydrophilic filter paper coated ...

To use the self-preservation filters: (1) you open a filter packet containing the pre‐loaded 47 mm inline filter housing made with hydrophilic plastic, (2) you collect and filter water through ...