News tagged with energy spectrum
Novel negative-index metamaterial that responds to visible light designed
A group of scientists led by researchers from the California Institute of Technology has engineered a type of artificial optical material—a metamaterial—with a particular three-dimensional structure such that ...
Apr 22, 2010 |
4.8 / 5 (43) |
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Graphene Yields Secrets to Its Extraordinary Properties
(PhysOrg.com) -- Applying innovative measurement techniques, researchers from the Georgia Institute of Technology and the National Institute of Standards and Technology have directly measured the unusual energy ...
May 14, 2009 |
4.8 / 5 (26) |
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Dark matter: Physicists may have found piece of the puzzle
European astronomers said on Wednesday that an anomalous energy signal detected by an orbiting satellite could be a telltale of the enigmatic substance known as dark matter.
Apr 01, 2009 |
3.9 / 5 (27) |
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New solar product captures up to 95 percent of light energy
Efficiency is a problem with today's solar panels; they only collect about 20 percent of available light. Now, a University of Missouri engineer has developed a flexible solar sheet that captures more than 90 percent of available ...
Technology / Energy & Green Tech
May 16, 2011 |
3.5 / 5 (26) |
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Revolutionary new camera reveals the dark side of the Universe
(PhysOrg.com) -- A new camera that will revolutionise the field of submillimetre astronomy has been unveiled on the James Clerk Maxwell Telescope (JCMT) in Hawaii SCUBA-2 is far more sensitive and powerful ...
Dec 06, 2011 |
4.6 / 5 (16) |
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Probing the dark side of the universe
Advancing into the next frontier in astrophysics and cosmology depends on our ability to detect the presence of a particular type of wave in space, a primordial gravitational wave. Much like ripples moving ...
May 20, 2010 |
4.6 / 5 (15) |
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Stretching opens up possibilities for graphene
(PhysOrg.com) -- Researchers say they have found a simple way to improve the semiconducting properties of the world’s thinnest material - by giving it a good tug.
Nanotechnology / Nanomaterials
Sep 28, 2009 |
4.9 / 5 (13) |
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New kind of solar cell could capture significantly more energy than current cells
New solar cells could increase the maximum efficiency of solar panels by over 25%, according to scientists from the University of Cambridge.
Feb 08, 2012 |
4.3 / 5 (14) |
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High efficiency concentrator solar cells and modules
(PhysOrg.com) -- Solar energy will play a crucial role in the energy mix of tomorrow as solar energy is available in unlimited quantities. With the aid of concentrator solar cells, even more sunlight can be ...
May 19, 2010 |
4.2 / 5 (14) |
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To Surf, or to Dance? Electrons' Extracurricular Activities Affect Superconductivity
(PhysOrg.com) -- Superconductors, the wonder materials that transport electricity without any resistance or energy loss, appear to be more complex than previously thought, according to research published online this week in Nature Physics by scientists at the Stanford Institute for ...
Apr 06, 2010 |
5 / 5 (11) |
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Hydrogen-making algae's 'Achilles' heel' discovered
(PhysOrg.com) -- Scientists have discovered how oxygen stops green algae from producing hydrogen. The findings could help those working towards 'solar H2-farms' in which microorganisms produce hydrogen fuel ...
Sep 29, 2009 |
4.5 / 5 (11) |
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Metal oxides hold the key to cheap, green energy
Harnessing the energy of sunlight can be as simple as tuning the optical and electronic properties of metal oxides at the atomic level by making an artificial crystal or super-lattice 'sandwich' says a Binghamton ...
Nanotechnology / Nanomaterials
Apr 19, 2012 |
4.9 / 5 (10) |
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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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Researchers Identify Key Molecules in Photosynthesis
(PhysOrg.com) -- Chemistry professor Harry Frank led an international group of researchers that identified the molecules in algae which direct the organisms to convert sunlight into oxygen. The findings may ...
Dec 02, 2009 |
5 / 5 (9) |
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A breakthrough for terahertz semiconductor lasers
(PhysOrg.com) -- Potential applications, says an engineering professor, include disease diagnosis and detection of concealed explosives.
Jan 13, 2011 |
3.5 / 5 (11) |
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