News tagged with energy levels
Carbon dioxide emissions reach record high
Emissions of heat-trapping carbon dioxide reached an all-time high last year, further reducing the chances that the world could avoid a dangerous rise in global average temperature by 2020, according to the International ...
May 29, 2012 |
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A magnetic approach to lattices
(Phys.org) -- JQI experimentalists under the direction of Ian Spielman are in the business of using lasers to create novel environments for neutral atoms. For instance, this research group previously enticed ...
May 22, 2012 |
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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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Ukraine nuclear plant halts reactor as power fails
A reactor at a nuclear power station in Ukraine has been disconnected from the grid following an electrical failure but radiation levels were not elevated, authorities said on Tuesday.
Technology / Energy & Green Tech
Apr 17, 2012 |
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Gulf Coast residents say BP Oil Spill changed their environmental views, research finds
University of New Hampshire researchers have found that residents of Louisiana and Florida most acutely and directly affected by the BP Deepwater Horizon disaster -- the largest marine oil spill in U.S. history ...
Apr 12, 2012 |
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Computer simulations suggest graphynes may be even more useful than graphene
(PhysOrg.com) -- The past several years have seen a virtual explosion in the amount of research dedicated to graphene and as a result there has been a nearly constant stream of news pertaining to new discoveries ...
Nanotechnology / Nanomaterials
Mar 05, 2012 |
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New picture of atomic nucleus emerges
(PhysOrg.com) -- When most of us think of an atom, we think of tiny electrons whizzing around a stationary, dense nucleus composed of protons and neutrons, collectively known as nucleons. A collaboration between ...
Mar 02, 2012 |
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Researchers resolve controversy over gallium manganese arsenide that could boost spintronic performance
A long-standing controversy regarding the semiconductor gallium manganese arsenide, one of the most promising materials for spintronic technology, looks to have been resolved. Researchers with the Lawrence ...
Feb 27, 2012 |
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Still in the dark about dark matter
Dark matter, the mysterious stuff thought to make up about 80 percent of matter in the universe, has become even more inscrutable.
Dec 06, 2011 |
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The shadows in a city reveal its energy flow
Researchers at the Technical University of Madrid (UPM, Spain) have created "shadow models" and a type of software that calculates the amount of solar radiation that reaches streets and buildings in high resolution. ...
Nov 28, 2011 |
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Hungary likely source of elevated radioactivity levels: IAEA
Elevated levels of the radioactive element iodine-131 that were detected in several nations have been identified as likely originating at a Hungarian research institute, nuclear authorities said Thursday.
Nov 17, 2011 |
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Novel nanocrystals with advanced optical properties developed for use as luminescent biomarkers
Upconversion emission materials are ideal for bioimaging due to its effectiveness as contrast agents for the detection of cancer cells, more so when the background emission of non-cancerous tissues can be minimised. These ...
Nanotechnology / Nanomaterials
Nov 14, 2011 |
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Putting artificial atoms on the clock
Around the turn of the century, scientists began to understand that atoms have discrete energy levels. Within the field of quantum physics, this sparked the development of quantum optics in which light is ...
Nov 07, 2011 |
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Restraint improves dielectric performance, lifespan
Just as a corset improves the appearance of its wearer by keeping everything tightly together, rigidly constraining insulating materials in electrical components can increase their energy density and decrease their rates ...
Oct 25, 2011 |
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For diabetics, spectroscopy may replace painful pinpricks
Part of managing diabetes involves piercing a finger several times daily to monitor blood sugar levels. Raman spectroscopy could let diabetics monitor glucose without those daily pinpricks. In the past, this would have required ...
Oct 25, 2011 |
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