When.com Web Search

Search results

1. Results From The WOW.Com Content Network

2. Evaporative cooler - Wikipedia

   en.wikipedia.org/wiki/Evaporative_cooler

   An Egyptian qullah, set in drafts to cool interiors. Porous pottery and coarse cloth maximize the area for evaporation. An evaporative cooler (also known as evaporative air conditioner, swamp cooler, swamp box, desert cooler and wet air cooler) is a device that cools air through the evaporation of water.

3. Hydraulic ram - Wikipedia

   en.wikipedia.org/wiki/Hydraulic_ram

   A hydraulic ram pump, ram pump, or hydram is a cyclic water pump powered by hydropower. It takes in water at one "hydraulic head" (pressure) and flow rate, and outputs water at a higher hydraulic head and lower flow rate. The device uses the water hammer effect to develop pressure that allows a portion of the input water that powers the pump to ...

4. Solar-powered pump - Wikipedia

   en.wikipedia.org/wiki/Solar-powered_pump

   A windpump replaced by a solar-powered pump at a water hole in the Augrabies Falls National Park. [Notes 1] This solar water pump up to 3.7 kW is useful for farmers.Solar-powered pumps run on electricity generated by photovoltaic (PV) panels or the radiated thermal energy available from collected sunlight as opposed to grid electricity- or diesel-run water pumps. [1]

5. Heron's fountain - Wikipedia

   en.wikipedia.org/wiki/Heron's_fountain

   Heron's fountain is not a perpetual motion machine. [2] If the nozzle of the spout is narrow, it may play for several minutes, but it eventually comes to a stop. The water coming out of the tube may go higher than the level in any container, but the net flow of water is downward.

6. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

7. Schiller Woods magic water pump - Wikipedia

   en.wikipedia.org/.../Schiller_Woods_magic_water_pump

   The pump handle was briefly removed in 1974 due to impurities in the water, but restored in 1975 after the water cleared. [ 6 ] Some regular drinkers of the pump's water, a good many of whom are Catholic members of Chicago's large Polish community , believe that the pump was blessed by Pope John Paul II when he visited Chicago in 1979, but ...