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Keyword: led

Brevity: Headers | « Text »
  • High efficiency traffic lights don't melt snow cover, creating traffic hazard

    12/11/2009 9:18:01 AM PST · by jpl · 60 replies · 1,764+ views
    Associated Press ^ | Friday December 11, 2009 | Associated Press
    <p>GREEN BAY, Wis. (AP) — Some Wisconsin communities that have installed high efficiency traffic lights are discovering the energy-saving bulbs are a hazard in a snow storm.</p> <p>City officials say the LED lights use less electricity and don't give off enough heat to melt ice or snow. So when the snow falls and the wind blows, the traffic lights are obscured.</p>
  • Where's my Chinese crap !??

    12/10/2009 4:35:00 PM PST · by knarf · 55 replies · 1,640+ views
    self | December 10, 2009 | knarf
    So ... I've just returned from Wal Mart and ....
  • LEDs Are As Energy Efficient as Compact Fluorescents (At present)

    08/05/2009 12:41:54 PM PDT · by decimon · 32 replies · 781+ views
    New York Times ^ | August 4, 2009 | Eric A. Taub
    > The findings, according to a summary of the study: today’s LED lamps are essentially as energy efficient as compact fluorescents, in the amount of energy needed to create, recycle and provide light. Osram said it expected those numbers to improve as LEDs become more energy efficient. >
  • Mousavi "Obama mislead"

    06/21/2009 5:02:31 PM PDT · by Kansas58 · 134 replies · 4,175+ views
    http://www.newsmax.com/insidecover/michael_ledeen_mousavi/2009/06/21/227538.html?s=al&promo_code=81E | 06/21/2009 | Michael Ledeen
    Mousavi Accuses Obama of 'Misleading the World' Sunday, June 21, 2009 1:38 PM Author and foreign policy expert Michael Ledeen has published a letter reportedly from the office of Mir Hossein Mousavi, in which the Iranian opposition leader criticizes President Barack Obama for saying Mousavi and Iranian President Mahmoud Ahmadenijad are "two of a kind." The letter, addressed to Obama, takes the president to task for the remark, calling it "a grave and deep insult, not just to Mr. Mousavi but especially against the judgment of the Iranian people, against our moral conviction and intelligence, especially those of the young...
  • Industry Looks to LED Bulbs for the Home (as 78% of public unaware of coming incandescent ban)

    05/11/2009 6:21:33 AM PDT · by reaganaut1 · 148 replies · 4,184+ views
    New York Times ^ | May 10, 2009 | Eric A. Taub
    Walk around the floor of Lightfair International, the lighting industry’s annual trade show at the Javits Center in New York last week, and you would be forgiven for thinking that lamps based on light-emitting diodes, or LEDs, had already filled our homes and workplaces. LED bulbs and fixtures dominated nearly every booth on the show floor. Now all the world has to do is catch up. Most people think of LEDs as the lights blinking from inside electronic devices. They are being used increasingly to light rooms, though few people have ever bought them. “In the U.S., 78 percent of...
  • Extreme Sheep LED Art (Welsh Shepherds With Waaaay Too Much Free Time)

    03/25/2009 9:42:37 AM PDT · by Reaganesque · 30 replies · 1,341+ views
    SpinOffMagazine.com ^ | 3/18/09? | Various
    Watch the video.
  • US$3 LED light bulb lasts 60 years, could end battle of the bulbs

    02/04/2009 4:24:53 AM PST · by Reaganesque · 150 replies · 4,157+ views
    Gizmag.com ^ | 2/4/09 | Paul Evans
    February 2, 2009 Cambridge University researchers have developed cheap, light-emitting diode (LED) bulbs that produce brilliant light but use very little electricity. They will cost just GBP2 (USD2.80) and last up to 60 years. The gallium nitride based bulbs are 12 times more efficient than conventional tungsten incandescent bulbs and three times more efficient than compact fluorescent low-energy bulbs. As well as lasting 100,000 hours, ten times as long as today's eco-bulbs, the LED bulbs do not contain mercury, so disposal is less damaging to the environment, they do not flicker and fully illuminate instantly, unlike the current generation of...
  • Cambridge University creates low-cost production method for GaN LEDs

    01/30/2009 11:39:15 AM PST · by PapaBear3625 · 50 replies · 1,169+ views
    Electrical Engineering Times ^ | 01/29/2009 | Paul Buckley
    Winchester, UK - Cambridge University's Centre for Gallium Nitride has developed a new way of making GaN which could produce LEDs for a tenth of current prices and may see household lighting bills reduced by up to 75 percent within five years. [snip] Currently GaN LEDs can only be grown on 2-inch sapphire wafers. Following the Cambridge innovation nine times as many LEDs can be grown on a 6-inch silicon wafer compared with a 2-inch sapphire wafer. In addition, edge effects are less, so the number of good LEDs is about 10 times higher. The processing costs for a 2-inch...
  • LEDs And Smart Lighting Could Save Trillions Of Dollars, Spark Global Innovation

    12/20/2008 11:41:06 AM PST · by saganite · 158 replies · 3,373+ views
    ScienceDaily ^ | Dec. 20, 2008 | staff
    A "revolution" in the way we illuminate our world is imminent, according to a paper published this week by two professors at Rensselaer Polytechnic Institute. Innovations in photonics and solid state lighting will lead to trillions of dollars in cost savings, along with a massive reduction in the amount of energy required to light homes and businesses around the globe, the researchers forecast. snip If all of the world's light bulbs were replaced with LEDs for a period of 10 years, Schubert and Kim estimate the following benefits would be realized: Total energy consumption would be reduced by 1,929.84 joules...
  • Standards Set For Energy-conserving LED Lighting

    06/30/2008 9:34:54 PM PDT · by blam · 15 replies · 160+ views
    Science Daily ^ | 7-1-2008 | National Institute of Standards and Technology.
    Standards Set For Energy-conserving LED LightingThese solid-state lights are powered by energy-efficient light emitting diodes and are among the first ones of a new generation expected to cut energy needed for lighting by 50 percent by 2027. (Credit: NIST) ScienceDaily (July 1, 2008) — Scientists at the National Institute of Standards and Technology (NIST), in cooperation with national standards organizations, have taken the lead in developing the first two standards for solid-state lighting in the United States. This new generation lighting technology uses light-emitting diodes (LEDs) instead of incandescent filaments or fluorescent tubes to produce illumination that cuts energy consumption...
  • Brighter LED Lights Could Replace Household Light Bulbs Within Three Years

    01/10/2008 3:14:22 PM PST · by blam · 94 replies · 147+ views
    Science Daily ^ | 1-10-2008 | University of Glasgow.
    Brighter LED Lights Could Replace Household Light Bulbs Within Three Years ScienceDaily (Jan. 10, 2008) — Researchers are developing new technology that could replace the household light-bulb within three years. Light Emitting Diodes (LEDs), already used in electrical equipment such as computers and mobile phones, are several times more energy efficient than standard light-bulbs. However, because of their structure and material, much of the light in standard LEDs becomes trapped, reducing the brightness of the light and making them unsuitable as the main lighting source in the home. Now researchers believe they have found a way of introducing a new...
  • Led Zeppelin Sales Soar After Concert Success

    12/11/2007 2:55:21 PM PST · by blam · 68 replies · 60+ views
    Led Zeppelin sales soar after concert success Last Updated: 12:01am GMT 11/12/2007 Sales of Led Zeppelin’s back catalogue soared today after the spectacular success of their one-off reunion concert. The group’s best-of album, Mothership, have already gone Platinum, meaning it has sold more than 300,000 copies, but Gennaro Castaldo, a spokesman for HMV, said it was on track to become one of the biggest best-sellers. Robert Plant and Jimmy Page perform in Istanbul in March Sales of the album at the company’s 240 stores leapfrogged those of Westlife and the Spice Girls to become the chain’s number one seller. “Sales...
  • Led Zeppelin To Get Heavy On Ticket Touts

    12/09/2007 6:48:18 PM PST · by blam · 68 replies · 76+ views
    The Telegraph (UK) ^ | 12-10-2007 | Joanna Corrigan
    Led Zeppelin to get heavy on ticket touts By Joanna Corrigan Last Updated: 2:14am GMT 10/12/2007 Led Zeppelin fans who bought tickets online for the band's first performance in almost 20 years could be turned away from the concert because of stringent security measures. Touts have been selling tickets to the band's reunion on auction websites such as eBay despite organisers trying to prevent anyone apart from winners of the official ballot from attending the show at London's O2 arena. Only fans with a special code obtained in the ballot, photographic ID and the credit card that paid for the...
  • Led Zeppelin Reunion

    09/08/2007 3:19:09 PM PDT · by rpage3 · 65 replies · 1,622+ views
    Yahoo ^ | 9/06/07 | Yahoo
    It appears that Page, Plant and Jones are planning a reunion with Bonham's son, Jason, on drums.
  • LEDs Move Into Home Lighting Market

    06/25/2007 3:08:11 AM PDT · by Wiz · 46 replies · 2,519+ views
    Associated Press via Yahoo! News ^ | 2007 Jun 24 | Mark Jewell
    LEDs Expand Their Reach Into the Aesthetic-Minded Market for Home Lighting EVERETT, Mass. (AP) -- Joey Nicotera's fascination with multicolored light bulbs bordered on obsession when he was a teenager. He framed posters in lights and decorated his own Christmas tree. When he couldn't find a color bulb he wanted, he got paint cans from the basement and made some himself, bathing his second-story bedroom in an eerie glow. "I'd be driving home from work at night, and I could see his room from five blocks away, with all the weird colors and flashing lights," recalls his father, Joe Nicotera...
  • New LEDs offer simple replacement of fluorescent tubes

    06/22/2007 6:24:24 AM PDT · by Reaganesque · 50 replies · 1,664+ views
    Gizmag.com ^ | 06/22/007 | Gizmag.com
    June 22, 2007 With over half a billion fluorescent light globes disposed of each year in the U.S. alone, there is no doubting the significance of a product that allows existing fluorescent fixtures to be converted to Light Emitting Diodes (LEDs) by simply changing the bulb. The world's first true replacement of glass fluorescent lighting tubes, the EverLED TR from LEDdynamics utilizes the existing fluorescent ballast, while achieving the equivalent light output of the tube it replaces. In addition to energy savings, the benefits of LED lighting technology include a 10 year service life, high quality light, and cold temperature...
  • Light Bulb Ban Craze Exceeds Disposal Plans (CFL Mercury Contamination D'OH Alert)

    05/30/2007 10:11:32 PM PDT · by goldstategop · 66 replies · 3,996+ views
    Worldnetdaily.com ^ | 05/31/2007 | Joseph Farah
    WASHINGTON – As state and foreign governments enact forced phase-outs of incandescent light bulbs, consumers are being kept in the dark about the many downsides of compact fluorescent lamps replacements being billed as an environmental and energy-savings panacea. Across the U.S., schoolchildren are being urged to replace incandescent light bulbs in their homes, state legislatures are following the leads of foreign governments in banning the sale of the bulbs in the future and the federal Department of Energy and Environmental Protection Agency are highly recommending the switch to CFLs. Businesses like Wal-Mart are also pushing CFLs hard, as are environmental...
  • Expert: LEDs could start replacing lightbulbs soon

    11/03/2006 2:08:00 PM PST · by decimon · 157 replies · 2,852+ views
    CNET News.com ^ | November 3, 2006 | Michael Kanellos
    SAN JOSE, Calif.--Light-emitting diodes will become economically attractive as replacements for conventional lightbulbs in about two years, a shift that could pave the way for massive electricity conservation, according to a researcher. Right now, consumers and businesses can buy a light-emitting diode, or LED, that provides about the same level of illumination as an energy-hogging conventional 60-watt lightbulb, Steven DenBaars, a professor of material science at the University of California Santa Barbara, said at the SEMI NanoForum, taking place here this week. A principal advantage of the LED: It lasts about 100,000 hours, far longer than the conventional filament bulb...
  • Agent Who Lead Bin Laden Hunt Criticises CIA

    07/08/2006 3:40:21 PM PDT · by blam · 30 replies · 1,195+ views
    The Guardian (UK) ^ | 7-8-2006 | Suzanne Goldenberg
    Agent who led Bin Laden hunt criticises CIA Suzanne Goldenberg in Washington Saturday July 8, 2006 The Guardian (UK) The man who led America's hunt for Osama bin Laden has said the CIA was wrong to disband the only unit devoted entirely to the terrorist leader's pursuit - just at a time when al-Qaida is reasserting its influence over global jihad. Shutting down the Bin Laden unit squandered 10 years of expertise in the war on terror, said Michael Scheuer, who founded the unit in 1995 and arguably knows more about Bin Laden than any other western intelligence official. He...
  • Traffic Wreck, Gas Leak Lead to Pot Bust

    01/14/2006 12:41:40 PM PST · by shooter223 · 9 replies · 294+ views
    The News Herald ^ | Jan 13,2006 | unknown (AP)
    TUCKER, Ga. (AP) -- A strange chain of events that began with a traffic accident and a gas leak ended this week with the discovery of nearly $900,000 worth of marijuana growing in a suburban apartment. It began when a drunken driver crashed into an apartment building Sunday morning, said Officer Darren Moloney, spokesman for the Gwinnett County Police Department. The collision ruptured a gas line, prompting firefighters to respond to check for leaks. While checking inside one of the units, they found an indoor pot growing operation, Moloney said.
  • Butterfly wings work like LEDs

    11/18/2005 11:22:09 AM PST · by Right Wing Assault · 20 replies · 609+ views
    BBC News ^ | November 18, 2005 | BBC
    When scientists developed an efficient device for emitting light, they hadn't realised butterflies have been using the same method for 30 million years. Fluorescent patches on the wings of African swallowtail butterflies work in a very similar way to high emission light emitting diodes (LEDs). These high emission LEDs are an efficient variation on the diodes used in electronic equipment and displays. The University of Exeter, UK, research appears in the journal Science. In 2001, Alexei Erchak and colleagues at the Massachusetts Institute of Technology (MIT) demonstrated a method for building a more efficient LED. Most light emitted from standard...
  • From African Bush To Scotland Yard - The Murder Trail That Led To Al-Qaida

    11/15/2005 4:10:07 PM PST · by blam · 2 replies · 330+ views
    The Guardian (UK) ^ | Rosie Cowan
    From African bush to Scotland Yard - the murder trail that led to al-Qaida Eight sentenced to death in Somaliland for murder of British couple caught in killing campaign Rosie Cowan, crime correspondent Tuesday November 15, 2005 The Guardian (UK) In their 60s, when most people are contemplating putting their feet up, Dick and Enid Eyeington, a couple who had already given almost 40 years of their lives to Africa, took on their biggest challenge to date: running a boarding school in a remote part of the self-proclaimed republic of Somaliland. Within two years they were dead, shot in their...
  • LED Evolution Could Replace Light Bulbs

    04/14/2005 3:16:57 PM PDT · by Brian328i · 64 replies · 2,681+ views
    AP via news.ask.com ^ | Apr 14, 3:02 PM (ET) | PETER SVENSSON
    NEW YORK (AP) - If a time traveler from a hundred years ago were to visit a home today, much of the technology would be completely alien. The television, cordless phone and computer would probably leave him flabbergasted. But on seeing a light bulb, he might say, "Ah! Here's something I recognize. A few of those grace my home, too." If the visitor comes back in 15 years, the fruit of Thomas Edison's bright idea may be gone. The likely replacement: light-emitting diodes, or LEDs. LED lamps were unthinkable until the technology cleared a major hurdle just a dozen years...
  • PLEASE! STOP POSTING SAME MESSAGE ON ALL BOARDS!

    08/16/2002 7:39:49 AM PDT · by Merchant Seaman · 706 replies · 16,745+ views
    Annoyed Reader
    The purpose of FreeRepublic.com's multiple message boards is to limit the topics for each board to particular topics. Posting the same message on all the boards defeats the purpose of multiple-boards for special topics. It is very annoying to see the same message on every bulletin board. PLEASE! DO THE READERS A FAVOR. STOP CROSS-POSTING YOUR MESSAGES!
  • John Kerry - Wrong Place, Wrong Time - The Wrong Candidate - New Flyer Download For Distribution

    10/07/2004 7:46:07 PM PDT · by grassboots.org · 27 replies · 1,219+ views
    Grassboots.org ^ | 10/07/2004
    All Flyer downloadsJust This Flyer 26 Days to Go - Pray for our project, that we can reach those who depend on CBS News and The New York Times to get the truth. Please let us know if you have distributed any of these, which ones and where. While Ronald Reagan Won the Cold War Without A Shot & Coined the Phrase “Peace Through Strength“, John Kerry was Pushing For A Nuclear Freeze and Voted to Cut or Eliminate 12 Major Weapons Systems…
  • Lighting up time

    07/26/2004 12:15:24 PM PDT · by LibWhacker · 7 replies · 300+ views
    A research team at Rensselaer Polytechnic Institute has created a new type of reflector that has dramatically improved the luminance of LEDs (light-emitting diodes). The US National Science Foundation (NSF) recently awarded the research team a three-year $210,000 grant to move the patented omni-directional reflector to market. 'We have developed an omni-directional reflector (ODR) for LEDs that will accelerate the replacement of conventional lighting used for a multitude of applications, such as lighting in homes, businesses, museums, airports, and on streets,' said Fred Schubert, a Professor of the Future Chips Constellation at Rensselaer who is heading the research effort. Increasingly...