News tagged with river water

New gadget for water purification: a 'nano tea bag'

(PhysOrg.com) -- Scientists in South Africa have come up with a novel way of purifying water on a small scale using a sachet rather like a tea bag, but instead of imparting flavor to the water, the bag absorbs ...

Aug 18, 2010 report
5 / 5 (21) 10 | with audio podcast

Source of life running out: water scientists

The majority of people on Earth people will face severe water shortages within a generation or two if pollution and waste continues unabated, scientists warned at a conference in Bonn Friday.

May 24, 2013
4 / 5 (22) 22

Turning the tide to energy

NASA researchers who developed a new way to power robotic underwater vehicles believe a spin-off technology could help convert ocean energy into electrical energy on a much larger scale. The researchers hope ...

Mar 06, 2009
3.4 / 5 (24) 6