I learned about this idea more than 2 years ago:
A couple of University students developed a water container that rolls and is pulled like a trolley. This tank would purify water while it is rolling the long distance from the water source.
Initally the name of the devise was ROSS, now is MIDOMO.
Please visit: http://www.thisisredbutton.co.uk/work.html
Many good feauters to point out:
1) The water drawn from… Continue