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

DeltaWing concept car to race at Le Mans

(PhysOrg.com) -- The Le Mans endurance race is a 24-hour competition that features cars that typically have an engine that comes in at over five liters. One team, known as the Project 56 group, has created ...

Jun 10, 2011 weblog
3.3 / 5 (4) 2 | with audio podcast