New technology uses ordinary sunlight to disinfect drinking water | Stanford News
A low-cost, recyclable powder can kill thousands of waterborne bacteria per second when exposed to sunlight. Stanford and SLAC scientists say the ultrafast disinfectant could be a revolutionary advance for 2 billion people worldwide without access to safe drinking water.
https://news.stanford.edu/2023/05/18/new-technology-uses-ordinary-sunlight-disinfect-drinking-water/