News tagged with emission

Japan to pledge 20% greenhouse gas cut

Japan will promise to cut its greenhouse gas emissions by 20 percent from 2013 levels ahead of a global summit on climate change this year, a report said Thursday, despite uncertainty over post-Fukushima ...

dateApr 09, 2015 in Environment
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Planck: Gravitational waves remain elusive

Despite earlier reports of a possible detection, a joint analysis of data from ESA's Planck satellite and the ground-based BICEP2 and Keck Array experiments has found no conclusive evidence of primordial ...

dateJan 30, 2015 in Astronomy
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Rediscovering spontaneous light emission

Berkeley Lab researchers have developed a nano-sized optical antenna that can greatly enhance the spontaneous emission of light from atoms, molecules and semiconductor quantum dots. This advance opens the ...

dateFeb 03, 2015 in Optics & Photonics
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A qubit candidate shines brighter

In the race to design the world's first universal quantum computer, a special kind of diamond defect called a nitrogen vacancy (NV) center is playing a big role. NV centers consist of a nitrogen atom and ...

dateDec 29, 2014 in Quantum Physics
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Drought damage leads to widespread forest death

The 2000-2003 drought in the American southwest triggered a widespread die-off of forests around the region. A Carnegie-led team of scientists developed a new modeling tool to explain how and where trembling ...

dateMar 30, 2015 in Environment
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Water in smog may reveal pollution sources

The chemical signature of water vapor emitted by combustion sources such as vehicles and furnaces has been found in the smoggy winter inversions that often choke Salt Lake City. The discovery may give researchers ...

dateMar 02, 2015 in Earth Sciences
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