27 October 2019

Michael Pritchard: How to make filthy water drinkable

27 October 2019,
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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,
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Learn the basics about water treatment, as a part of environmental chemistry. Human beings have added to the natural water cycle by taking water […]




11 September 2019

How Do Wastewater Treatment Plants Work?

11 September 2019,
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SUPPORT CR on PATREON: http://bit.ly/2qBHcvf It’s a topic we’d rather not think about, where does last nights dinner go when we flush it down […]