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.
The US Navy opens up for suggestions via the Web, and gets a bright idea.
7 | February 28, 2011 9:40pm |
A Southern-California start-up's power-conversion technology could eventually result in electric cars having a much longer range with significantly smaller batteries.
6 | February 24, 2011 3:47pm |
A 25-year veteran of Ernst & Young, Leisha John was tasked in 2008 with the newly-created position of Americas Director of Environmental Sustainability.
1 | February 15, 2011 4:00am |
Researchers figured out how to make pure organic phosphorescent crystals.
6 | February 14, 2011 6:12pm |
After a successful Denver rollout, the company plans 15 additional sites by 3Q 2011.
1 | February 10, 2011 3:07pm |
Nissan's ESFLOW conceptual all-electric sports car takes the plug-in power of the Leaf and marries it to a vehicle capable of doing 0 to 60 in less than five seconds. Yee-haw.
11 | February 10, 2011 6:55am |
Chrysler's "Imported from Detroit" Super Bowl commercial was impressive. But it's not another car that will make Detroit a thriving city. It's urban density.
13 | February 9, 2011 6:18am |
Otis Elevator Company announced a major sustainability initiative spanning every aspect of its operations, from design and manufacturing to products and end-of-life recycling.
February 8, 2011 7:01am |
Nanolasers on silicon could bring on faster computers and better sensors.
3 | February 7, 2011 11:46am |
Rensselaer Polytechnic Institute researchers have developed "liquid pistons" that offer extremely precise displacement of fluid. The benefit: better mobile cameras, eye lenses and drug delivery...
February 7, 2011 9:03am |
According to analyst estimates, by 2020 the LED lighting industry will be close to a $25 billion market worldwide. LED lighting manufacturer Bridgelux wants to be on the forefront of this shift....
14 | February 3, 2011 12:56pm
The smartest companies will look at green certifications and energy efficiency initiatives as a way to get ahead of their rivals.
2 | January 28, 2011 6:27am |
William Jarvis built his winery underground so he wouldn't pollute the natural environment with large winery tanks and buildings.
1 | January 18, 2011 12:26pm |
William Jarvis built his winery underground so he wouldn't pollute the natural environment with large winery tanks and buildings. Among the sustainable technologies his business relies on are...
2 | January 18, 2011 9:28am
University of California San Francisco said a team of scientists in the U.S., South Korea and Switzerland found that a complex network of 160,000 genetic interactions in yeast cells changes when...
8 | January 11, 2011 10:00am |
Franchise owners in Illinois and Colorado report visible decrease in electricity consumption with energy-efficient LED downlights from Cree.
3 | January 11, 2011 2:58am |
'Visible light networks' may offer relief for increasingly clogged radio-wave-based WiFi, 3G, and Bluetooth networks.
1 | December 28, 2010 2:31pm |
NASA engineers are developing a paint that is "blacker than pitch black" -- and in turn, improve the accuracy with which its instruments measure light.
11 | December 20, 2010 7:37am |
Technology company hopes to build mainstream interest in LED technology as 2012 lighting switchover approaches.
4 | December 20, 2010 6:13am |
Citibank's new, high-tech Hong Kong "smart banking" branch is packed with LED screens, displays embedded in the walls and wireless Internet connectivity.
December 17, 2010 7:30am |