Tolerance.ca
Looking inside ourselves and out at the world
Independent and neutral with regard to all political and religious orientations, Tolerance.ca® aims to promote awareness of the major democratic principles on which tolerance is based.

Innovative Nano-Tech Water Filter Prevents Disease

Access to clean water is a problem for hundreds of millions of people around the world. Now, a scientist and chemical engineer in Tanzania [East Africa] is working to change that by creating an innovative water filter that makes dirty water safe. Askwar Hilonga said the filter can combat various water problems. He is concerned that in Tanzania “70 percent of households, of 9 million households, are not using any kind of filter.” The filter can absorb contaminants like copper,...

Read complete article
© Voice of America -


Follow us on ...
Facebook Twitter