White LEDs with super-high luminous efficacy could satisfy all general lighting needs
US deploys 'game-changer' weapon to Afghanistan
It looks and acts like something best left in the hands of Sylvester Stallone's "Rambo," but this latest dream weapon is real -- and the US Army sees it becoming the Taliban's worst nightmare.
A new world record for solar cell efficiency
In a remarkable feat, scientists at Empa, the Swiss Federal Laboratories for Materials Science and Technology, have developed thin film solar cells on flexible polymer foils with a new record efficiency of ...
Researchers generate pressurised 'supercritical' steam, at the highest temperatures ever achieved using solar energy
(Phys.org) —Supercritical steam is a breakthrough for solar energy and means that one day the sun could be used to drive the most advanced power stations in the world, currently only driven by coal or gas.
US Air Force connects 1,760 PlayStation 3's to build supercomputer
Experimental 'wind to hydrogen' system up and running
Xcel Energy and the U.S. Department of Energy’s National Renewable Energy Laboratory today unveiled a unique facility that uses electricity from wind turbines to produce and store pure hydrogen, offering what may become ...
Scientists develop portable generator that turns trash into electricity
A group of scientists have created a portable refinery that efficiently converts food, paper and plastic trash into electricity. The machine, designed for the U.S. military, would allow soldiers in the field ...
Researchers develop mobile robot that balances, moves on ball instead of wheels or legs
Carnegie Mellon University researchers have developed a new type of mobile robot that balances on a ball instead of legs or wheels. "Ballbot" is a self-contained, battery-operated, omnidirectional robot that ...
Universal Power Adapter Offers Alternative to Wall Warts
When Doug Palmer realized he had forgotten his mobile phone adapter on a vacation in Mexico several years ago, the first thought that crossed his mind was, "There has to be a better way."
Intel Microchip Packs Two Billion Transistors
NREL Finds a Way to Give LEDs the Green Light
(PhysOrg.com) -- Light bulbs that last 100 years and fill rooms with brilliant ambiance may become a reality sooner rather than later, thanks to a National Renewable Energy Laboratory discovery.
Self-repairing aircraft could revolutionize aviation safety
A new technique that mimics healing processes found in nature could enable damaged aircraft to mend themselves automatically, even during a flight.
Spacesuits of the future may resemble a streamlined second skin
For future astronauts, the process of suiting up may go something like this: Instead of climbing into a conventional, bulky, gas-pressurized suit, an astronaut may don a lightweight, stretchy garment, lined ...