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.
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.
11 | 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 |
For a 17 year-old, earning potentially millions of dollars can't be a bad way to enter the workforce.
3 | March 26, 2013 6:33am |
Paying employees to live close to the office could mean a happier workforce.
8 | March 26, 2013 4:00am |
A Tokyo company plans to burn nuclear "waste" in a thorium molten salt reactor for a meltdown-proof return to nuclear power in the country that has all but shut it down.
5 | March 26, 2013 3:58am |
Sixty seconds online and millions of users -- what happens in a minute on the web?
1 | March 21, 2013 1:26am |
Your pattern of Facebook 'likes' is basically as accurate as a personality test, according to a new study.
9 | March 13, 2013 3:05am |
In Uganda, people living off the grid can charge their cellphones by sending a text message to a portable charging station. It's the cheapest method so far.
2 | March 12, 2013 11:33am |
LED based, of course. Crowd funded, too!
2 | March 11, 2013 5:19am |
The first net-zero retail store is coming to the United States.
5 | March 7, 2013 10:53am |
Cree has launched a 40-watt LED bulb for under $10 and Philips says its 60-watt LED will be less than a ten spot by the end of the year.
10 | March 6, 2013 10:27am |
Where has all of Earth's carbon gone? A study says 90 percent is missing, and probably resides in the planet's deepest regions. We might be able to tap it. Uh-oh?
11 | March 4, 2013 9:00am |
An unplanned incident sheds light on an instance where the HIV virus is particularly vulnerable.
3 | March 4, 2013 4:14am |
Researchers have gone beyond what mammals can usually see, and given rats the ability to see infrared light.
February 13, 2013 10:30am |
"The Morning Briefing" is SmartPlanet's daily roundup of must-reads from the web. This morning we're reading about LED lighting design and uses.
February 11, 2013 12:50am |
BUENOS AIRES -- As she enters her eighth decade, art world icon and Warhol pal Marta Minujin marries art, plans her death, and explains why art isn't what it used to be.
February 8, 2013 3:00am |
A trade complaint has been launched against India as the renewable energy sector dissolves into a trade war.
3 | February 7, 2013 6:04am |
There's no end to the wonder material's uses. Now it attacks LEDs' troublesome heat and makes them brighter, scientists from S. Korea and Vietnam report. Add sapphire first.
1 | February 7, 2013 5:32am |