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.
To paraphrase them: "Fire up the fission. These imported fossil fuels are breaking us."
May 15, 2013 5:28am |
A Cambridge University brain scanning project aims to unlock the mysteries of the creature from the room upstairs, in a first ever study of its kind.
1 | May 15, 2013 3:54am |
Now you can set your home light bulbs to flash or change color when your sports team scores. Tunable to any alert - stock prices, weather forecast, traffic reports, social media - through the Net.
5 | May 14, 2013 3:43am |
Now the Igor I. Sikorsky prize is worth $250,000. Check out three designs that are getting close.
2 | May 13, 2013 12:09pm |
Don't go out at night?
2 | May 9, 2013 3:54am |
The same machine that analyzes those cloth swatches that TSA agents wipe against your carry-on could now be retrofitted to detect black powder explosives.
May 8, 2013 2:00pm |
Creating an "invisibility" cloak could one day be cheap enough to do at home.
1 | May 8, 2013 1:57am |
The South African native is challenging the legacy rules of U.S. power generation and financing, seeking to make clean energy as cost-effective as electricity generated by fossil fuels.
6 | May 7, 2013 3:00am |
Four Harvard University women created a soccer ball that generates electricity for use in off-grid areas of the world. It is having a powerful impact.
11 | May 6, 2013 3:00am |
A team of scientists has outlined a new LED street lamp design that could help reclaim the luminosity of the heavens.
10 | April 25, 2013 6:55pm |
Can LED technology replace voice communication underwater?
3 | April 23, 2013 12:36am |
Is there a market for solutions based on the concept of "urban impact"?
April 11, 2013 2:35pm |
A material once used to create primitive transistors 60 years ago could pave the way for faster electronics in the future.
6 | April 11, 2013 5:56am |
Company claims to cut electricity use in half for already highly efficient bulbs. Could LEDs finally crack the vast commercial office market?
8 | April 11, 2013 3:39am |
HONG KONG -- Hong Kong is said to have one of the brightest night skies in the world, and it's not coming from the stars.
April 11, 2013 3:00am |
BUENOS AIRES -- The local city government wants to reclaim the city center for pedestrians and bicyclists. But can a formula that's been used in Europe and Asia work in this chaotic South American...
2 | April 5, 2013 3:00am |
Audi wants to introduce variable headlights that will adjust based on surroundings and road conditions, but needs a decades-old U.S. law to change first.
27 | April 4, 2013 8:28pm |
Planning on working every muscle group? What if your clothing could tell you where to focus on next?
April 4, 2013 12:11am |
Thousands of Philips LED bulbs now light up -- and help preserve -- the masterful paintings at Amsterdam's famous Rijksmuseum. Controlled by an iPad, no less.
9 | April 3, 2013 3:11am |
BARCELONA -- Part 1 in a two-part series: France and Spain are set to lead the world's biggest, 18-billion-euro physics experiment. What could go wrong?
13 | March 28, 2013 1:44am |