Pristine water: the solar absorber gel purification system in a lake at Princeton University (left) and the clean water produced during its immersion. (Courtesy: Xiaohui Xu) Pufferfish have inspired a ...

Availability of potable drinking water remains a challenge in rural areas in several parts of the country. Commercially available water filters are costly, need electricity to run and reverse osmosis ...

Clean drinking water is the fundamental need of every being for survival. But considering the increasing water pollution, getting clean water has become very difficult. These days we rely on ...

Solar stills can be a very useful way to produce drinking water from dirty or salty water, but there’s plenty of room for improvements in efficiency. Now, engineers at Virginia Tech have developed a ...

Developed by a Kolkata-based scientist, SP Gon Choudhury, the solar water purifier will not just be able to treat water of excess iron, suspended particles and bacteria through filters and solar ...