News tagged with light bulbs
Light from a water bottle could brighten millions of poor homes (w/ video)
As simple as it sounds, a one-liter plastic bottle filled with purified water and some bleach could serve as a light bulb for some of the millions of people who live without electricity. Originally developed ...
Technology / Energy & Green Tech
Sep 16, 2011 |
4.7 / 5 (58) |
53
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NREL Finds a Way to Give LEDs the Green Light
(PhysOrg.com) -- Light bulbs that last 100 years and fill rooms with brilliant ambiance may become a reality sooner rather than later, thanks to a National Renewable Energy Laboratory discovery.
Apr 05, 2010 |
4.7 / 5 (52) |
20
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White LEDs with super-high luminous efficacy could satisfy all general lighting needs
(PhysOrg.com) -- Researchers from the Nichia Corporation in Tokushima, Japan, have set an ambitious goal: to develop a white LED that can replace every interior and exterior light bulb currently used in homes ...
Aug 31, 2010 |
4.8 / 5 (50) |
34
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OLED Tunes its Colors for Sunlight-Style Illumination
(PhysOrg.com) -- Scientists have developed a lighting device that can change its color temperature throughout the day, matching the natural daylight chromaticities produced by the sun. Currently, no other ...
Jul 16, 2009 |
5 / 5 (39) |
15
Low-cost LEDs to slash household electric bills
A new way of making LEDs could see household lighting bills reduced by up to 75% within five years.
Jan 29, 2009 |
4.5 / 5 (33) |
30
Cheap, efficient white light LEDs new design
Roughly 20 percent of the electricity consumed worldwide is used to light homes, businesses, and other private and public spaces. Though this consumption represents a large drain on resources, it also presents ...
Apr 07, 2009 |
4.9 / 5 (26) |
5
British engineers slam home wind turbines as 'eco-bling'
Installing wind turbines and solar panels in people's homes is "eco-bling" that will not help meet Britain's targets on cutting carbon emissions, engineers warned Wednesday.
Technology / Energy & Green Tech
Jan 20, 2010 |
4.4 / 5 (29) |
9
Mayan king's tomb discovered in Guatemala
A well-preserved tomb of an ancient Mayan king has been discovered in Guatemala by a team of archaeologists led by Brown University's Stephen Houston. The tomb is packed with of carvings, ceramics, textiles, and the bones ...
Other Sciences / Archaeology & Fossils
Jul 16, 2010 |
4.9 / 5 (22) |
7
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Going For Exawatts: Building the most powerful laser in the world
Producing a laser with a power of a terawatt -- equal to one trillion watts -- used to be impressive, but now the forefront of optical research power is measured in 1 quadrillion-watt units known as petawatts. ...
Jan 25, 2010 |
4.6 / 5 (22) |
3
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Next-generation light bulb shines at CES
A California startup out to change the world shined at the Consumer Electronics Show on Thursday with a light bulb blending beauty and efficiency with love for the Earth.
Technology / Energy & Green Tech
Jan 13, 2012 |
4.5 / 5 (22) |
23
Proton-based transistor could let machines communicate with living things
Human devices, from light bulbs to iPods, send information using electrons. Human bodies and all other living things, on the other hand, send signals and perform work using ions or protons.
Sep 20, 2011 |
4.9 / 5 (20) |
26
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LED light bulbs yield big savings in energy
One way the United States could slash its electricity use, dependence on fossil fuels and emissions of heat-trapping gases is really quite simple: better light bulbs.
Technology / Energy & Green Tech
Aug 13, 2009 |
4.8 / 5 (20) |
42
US energy use chart shows we waste more than half of our energy
(PhysOrg.com) -- This flow chart of the estimated US energy use in 2009, assembled by the Lawrence Livermore National Laboratory (LLNL), paints a pretty sobering picture of our energy situation. To begin with, ...
Technology / Energy & Green Tech
Apr 09, 2011 |
3.5 / 5 (27) |
101
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Company Claims ESLs to be the Future of Light Bulbs (w/ Video)
(PhysOrg.com) -- While compact fluorescent lights (CFLs) are currently the primary alternative to incandescent light bulbs, a company from Seattle predicts that its own novel light bulbs will eventually replace ...
Technology / Hi Tech & Innovation
Sep 16, 2009 |
3.5 / 5 (24) |
22
Researchers Develop Nanofiber-Based Technology to Make Energy-Efficient Lighting
(PhysOrg.com) -- RTI International has developed a revolutionary lighting technology that is more energy efficient than the common incandescent light bulb and does not contain mercury, making it environmentally ...
Nanotechnology / Nanomaterials
Feb 10, 2010 |
4.7 / 5 (14) |
7
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