News tagged with light energy
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Search results for light energy
'Safety valve' protects photosynthesis from too much light
Nov 25, 2009 |
4.7 / 5 (3) |
0
Photosynthetic organisms need to cope with a wide range of light intensities, which can change over timescales of seconds to minutes. Too much light can damage the photosynthetic machinery and cause cell death. Scientists ...
Mysterious X-rays from a Nearby Galaxy
Nov 13, 2009 |
4.3 / 5 (15) |
8
(PhysOrg.com) -- The nucleus of an active galaxy, an AGN, contains a massive black hole that is vigorously accreting material. In the process it typically ejects jets of particles and radiates brightly at ...
Qualcomm's next e-book to use a mirasol display
Electronics / Consumer & Gadgets
Nov 20, 2009 |
4.7 / 5 (11) |
2
(PhysOrg.com) -- Qualcomm subsidiary Mirasol is developing a new e-book reader with a color display that uses ambient light. The reader will be capable of displaying video smoothly, but the new features will ...
First Pump-Probe Experiment at Linac Coherent Light Source Completed
1hour ago |
5 / 5 (3) |
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(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 ...
Powerful laser sheds light on fast ignition and high energy density physics
Nov 02, 2009 |
3.8 / 5 (5) |
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A new generation of high-energy (>kJ) petawatt (HEPW) lasers is being constructed worldwide to study high intensity laser matter interactions, including fast ignition. Fast ignition is a laser-based technique ...
The Crab Nebula: Energy for 100,000 Suns
Nov 23, 2009 |
4 / 5 (9) |
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(PhysOrg.com) -- A star's spectacular death in the constellation Taurus was observed on Earth as the supernova of 1054 A.D.
Golden Oldie: Key Role for Ancient Protein in Algae Photosynthesis
Nov 27, 2009 |
3 / 5 (2) |
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The discovery that an ancient light harvesting protein plays a pivotal role in the photosynthesis of green algae should help the effort to develop algae as a biofuels feedstock. Researchers with the Lawrence ...
Weather-sensitive architectural skins integrate form with function
Nov 06, 2009 |
3 / 5 (2) |
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Buildings typically provide shelter from the elements, but one Ryerson University researcher thinks structures ought to relate more to the environment instead. To this end, she has created architectural "skins," ...
Tapering a Free-Electron Laser to Extract More Juice
Nov 20, 2009 |
4 / 5 (1) |
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(PhysOrg.com) -- Researchers from the NSLS and Science Applications International Corporation (SAIC) have demonstrated a technique that could be used to significantly improve the quantity and quality of light ...
Researchers use trident laser to accelerate protons to record energies
Nov 02, 2009 |
4.8 / 5 (8) |
10
An international team of physicists at Los Alamos National Laboratory has succeeded in using intense laser light to accelerate protons to energies never before achieved. Using this technique, scientists can ...
List of search results for light energy
