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 ...

If you need to filter some water for drinking or cooking, this DIY solution uses the power of the sun. In this video from the MAD Science Hacks YouTube channel, you’ll learn how to create a simple ...

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 ...

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 ...

NEW DELHI: Two of Delhi’s slums and a school would soon get solar water purifiers, which is claimed to be the first of its kind. Union environment minister Harsh Vardhan (left) drinking water from the ...