News tagged with light energy
Related topics: photosynthesis , light
First Pump-Probe Experiment at Linac Coherent Light Source Completed
(PhysOrg.com) -- The first experiment using the Linac Coherent Light Source to illuminate molecules via a "pump-probe" technique has been completed by an international team of more than 30 scientists from ...
Nov 30, 2009 |
4.7 / 5 (12) |
0
Do we need dark matter?
It's the biggest problem in physics: the matter we can see in the universe accounts for just five per cent of the observed gravity that holds galaxies together.
Nov 12, 2009 |
4.2 / 5 (22) |
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Lighter, cheaper, LED light bulbs are starting to enter the marketplace
Just when you were finally warming up to the idea of swapping out your old light bulbs with compact fluorescent ones, you may soon find a new alternative at your local hardware store.
Technology / Energy & Green Tech
Oct 22, 2009 |
3.9 / 5 (14) |
6
Cosmic archaeology: Astrophysicists use new spectrographs to look far back into the history of the universe
(PhysOrg.com) -- The distant past of the universe is moving closer. Astronomers are using special spectrographs to investigate galaxies in the depths of the universe as part of the Sloan Digital Sky Survey ...
Oct 13, 2009 |
3.9 / 5 (11) |
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IMEC unveils promising mechanically-stacked GaAs/Ge multijunction solar cell
At the European Photovoltaic Solar Energy Conference (Hamburg, Germany), IMEC presents a mechanically-stacked GaAs/Ge multijunction solar cell. This is the first promising demonstrator of IMEC’s novel technology ...
Sep 22, 2009 |
3 / 5 (2) |
0
New nanostructure technology provides advances in eyeglass, solar energy performance
(PhysOrg.com) -- Chemical engineers at Oregon State University have invented a new technology to deposit "nanostructure films" on various surfaces, which may first find use as coatings for eyeglasses that ...
Nanotechnology / Nanomaterials
Sep 16, 2009 |
4 / 5 (3) |
1
High in Sodium: Highly Charged Tungsten Ions May Diagnose Fusion Energy Reactors
(PhysOrg.com) -- Just as health-food manufacturers work on developing the best possible sodium substitutes for low-salt diets, physicists at the National Institute of Standards and Technology have acquired ...
Sep 08, 2009 |
4.5 / 5 (10) |
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Lasers generate underwater sound
Scientists at the Naval Research Laboratory (NRL) are developing a new technology for use in underwater acoustics. The new technology uses flashes of laser light to remotely create underwater sound. The new ...
Sep 04, 2009 |
4.5 / 5 (8) |
6
Lights out for old 100-watt bulbs in EU next week
Old-style 100-watt light bulbs will be banned in Europe's shops from next week in favour of new energy-saving models, but consumers groups on Wednesday gave the move a guarded welcome.
Technology / Energy & Green Tech
Aug 26, 2009 |
1.5 / 5 (2) |
1
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) |
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Scientists control living cells with light; advances could enhance stem cells' power
University of Central Florida researchers have shown for the first time that light energy can gently guide and change the orientation of living cells within lab cultures. That ability to optically steer cells could be a major ...
Aug 11, 2009 |
4.6 / 5 (5) |
0
EarthTalk: What are some low-cost ways to make a home green?
Dear EarthTalk: What are some simple low-cost improvements I can do to my home to make it greener? (Stefan Lonce, via e-mail)
Aug 11, 2009 |
2.4 / 5 (5) |
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High-intensity lights may help cut energy costs
For the past 6 months, the Silver Creek Sportsplex in San Jose, Calif., has been testing ceiling lighting from a nearby startup that holds the promise of saving huge amounts of energy.
Technology / Energy & Green Tech
Jul 13, 2009 |
4 / 5 (3) |
0
LED there be light
Q: How many LED engineers does it take to change a light bulb?
Technology / Hi Tech & Innovation
Jun 22, 2009 |
4.2 / 5 (18) |
3
Researchers make breakthrough in the quantum control of light
Researchers at UC Santa Barbara have recently demonstrated a breakthrough in the quantum control of photons, the energy quanta of light. This is a significant result in quantum computation, and could eventually ...
May 29, 2009 |
4.7 / 5 (15) |
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