Low-cost LEDs to slash household electric bills
A new way of making LEDs could see household lighting bills reduced by up to 75% within five years.
LED light bulbs yield big savings in energy
One way the United States could slash its electricity use, dependence on fossil fuels and emissions of heat-trapping gases is really quite simple: better light bulbs.
Man builds most energy-efficient home he could
Saving money was never on Dennis Kaech's mind when he built his Olympia, Wash., home. But saving energy was.
One good turn: Birds swap energy-sapping lead role
Migrating birds 'share the pain' of the arduous task of leading a v-formation, so that they can then take turns saving energy by following in another bird's wake, a new study shows.
Light bulb with 20-year life unveiled in US on Earth Day
A prize-winning, super energy saving LED bulb from Dutch electronics giant Philips, said to last over 20 years, went on sale online and in stores Sunday to coincide with Earth Day.
MASSIVE advances in aerodynamics
Engineers are closer to understanding, and therefore manipulating, invisible aerodynamic drag forces, that cause an estimated 50 per cent of transportation fuel to be lost before we can use it.
Fujitsu develops a 2.3kW high-capacity power supply unit for servers, conversion efficiency rate of 94.8%
Fujitsu Laboratories today announced the development of a power supply unit for servers that features a 2.3 kW power output and achieves a world-leading conversion efficiency rate of 98.4%.
Lightbulbs: The more efficient they get, the more light we use
This is a cautionary tale about a few porch lights. Once upon a time, porch lights had incandescent bulbs. Eventually, many residents subbed them out with those swirly compact fluorescent bulbs, which use a quarter of the ...
Solar energy could supply one-third of power in US West, study finds
(Phys.org) —Low-cost solar power could supply more than a third of all energy needs in the Western U.S., if the nation can hit its targets for reducing the cost of solar energy, according to a new study ...
Making Steel Recycling Greener
A new process developed by Siemens cuts the energy required to recycle steel and also lowers carbon dioxide (CO2) emissions.
Learned helplessness in flies and the roots of depression
When faced with impossible circumstances beyond their control, animals, including humans, often hunker down as they develop sleep or eating disorders, ulcers, and other physical manifestations of depression. ...
California to require sun-blocking car windows
New cars sold in California must include windshields that block or absorb the sun's rays beginning in 2012, the state's Air Resources Board recently ruled.