27 October 2019

Michael Pritchard: How to make filthy water drinkable

27 October 2019,
 0

http://www.ted.com Too much of the world lacks access to clean drinking water. Engineer Michael Pritchard did something about it — inventing the portable Lifesaver […]


16 October 2019

How Does Water Treatment Work | Chemistry for All | FuseSchool

16 October 2019,
 0

Learn the basics about water treatment, as a part of environmental chemistry. Human beings have added to the natural water cycle by taking water […]