A hydraulic ram is a clever device invented over 200 years ago that can pump water uphill with no other external source of power except for the water flowing into it and there is a way to take ...

I have heard of a device called a “Gravity Pump” that is supposedly capable of pumping water from a source such as a creek to a destination that is at a higher elevation such as a pond using no ...

Running only on fast-moving water, the pumps are cheap and easy to maintain, enabling farmers to grow fruit and vegetables GOJAL VALLEY, Pakistan, March 29 (Thomson Reuters Foundation) - Shovel in ...

Shovel in hand, Naila Shah regularly walks two miles from her home to a newly planted apple orchard, high in the mountains of Khyber village in northern Pakistan. Only two years ago, it would have ...