News tagged with alternative technologies

Harvested rainwater harbors pathogens

South Africa has been financing domestic rainwater harvesting tanks in informal low-income settlements and rural areas in five of that nation's nine provinces. But pathogens inhabit such harvested rainwater, potentially posing ...

Feb 26, 2014
4.3 / 5 (3) 0

Microgrid powers 'World Green City'

The Office of Naval Research (ONR), a leader in the exploration of renewable power, played a major role in the development of a new "World Green City" unveiled here on Dec. 12 as a prototype community powered by alternative ...

Dec 13, 2012
5 / 5 (1) 0

Quantum dots brighten the future of lighting

(Phys.org) -- With the age of the incandescent light bulb fading rapidly, the holy grail of the lighting industry is to develop a highly efficient form of solid-state lighting that produces high quality white ...

May 08, 2012
4.8 / 5 (9) 2 | with audio podcast