LED lamps and lightbulbs are solid-state devices that use light-emitting diodes as the source of light. LED lighting offers longer service life and high energy efficiency than incandescent or fluorescent bulbs, but as an emerging consumer technology, remains more expensive than both.
Green business is bustling. Companies showed off green technologies ranging fro biodegradable Styrofoam cups, eco friendlier electronics, and lighting to a power generating exercise bike.
April 20, 2011 8:37pm |
A big criticism leveled on LED lights is they don't match the color and quality of an incandescent light bulb. Start-up Intematix has developed a set of technologies that it believes improves LED...
10 | April 18, 2011 4:27pm
Outdoor apparel company manages a 38 percent absolute reduction, but misses target for 50 percent cut.
1 | April 13, 2011 12:30pm |
Cultured mouse stem cells organized themselves into a retina with little intervention from scientists, creating transplant and generative medicine hopes against blindness.
1 | April 6, 2011 11:18am |
The cities of the future will be built around air travel -- despite high-speed rail and density schemes and telecommutes and videoconferencing. Aerotropolis author Greg Lindsay explains why.
17 | April 4, 2011 9:29am |
U.S. president Barack Obama said Wednesday that the U.S. needs to free itself from dependence on foreign oil, and set a goal of reducing oil imports by one-third in a decade.
9 | March 30, 2011 9:27am |
As environmental groups petition to ban some hydrofluorocarbons, the EPA approves a new refrigerant to replace one with a global warming reputation. Could such regulations combat ozone depletion...
10 | March 30, 2011 4:00am |
Researchers are improving cochlear implants and vision with infrared light.
18 | March 28, 2011 3:12pm |
The City of Dallas, Texas will convert five downtown parking garages to energy-efficient LED lighting in partnership with Lumetech and the Lighting Science Group.
3 | March 24, 2011 7:04am |
The software company's latest sustainability report offers interactive, visual view into its key corporate social responsibility initiatives.
March 24, 2011 4:20am |
It's probably not a good idea to leave a smartphone out in the sun. But that may change if the phone was, say, solar-powered!
2 | March 23, 2011 9:09pm |
Reps from baseball, basketball, football, soccer and hockey teams have formed the Green Sports Alliance, aiming to share green practices across leagues and sports venues.
March 22, 2011 5:04am |
This rapid, high-res imaging technology photographs human tissue with the light emitted by a particle accelerator.
2 | March 21, 2011 9:41pm |
Two American spacecraft meet, two-hundred million miles away.
4 | March 10, 2011 3:31pm |
Lighting startup Bridgelux announced a major breakthrough by demonstrating a silicon-based LED light bulb.
21 | March 9, 2011 7:20am |
Utility Green Mountain Power and Efficiency Vermont are proposing to reduce the charge to cities for the LED-enabled and leased lights.
1 | March 8, 2011 4:39am |
Stretchy, flexible electronics can be attached directly onto catheters, delivering real-time information for surgeons to diagnose and treat tissue damage at the same time.
4 | March 7, 2011 4:41pm |
The LED tech was used for growing plants on the International Space Station... but NASA scientists are finding a new use for it in the medical field.
1 | March 7, 2011 3:40pm |
In 2010, the telecommunications giant saved $44 million through almost 4,200 different projects focused on cutting power consumption.
1 | March 7, 2011 4:30am |
Is a lithium-water battery a glimmer of hope for the clean tech applications?
4 | March 3, 2011 4:07pm |