News tagged with emissions

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 ...

Feb 03, 2015
4.8 / 5 (15) 1

Climate engineering no longer on the fringe

When the National Academy of Sciences released a pair of reports earlier this month on geoengineering—deliberate intervention in the climate system to counter global warming—it moved discussion of the controversial topi ...

Feb 19, 2015
2.2 / 5 (9) 8

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 ...

Jan 30, 2015
4.5 / 5 (20) 53

What makes Champagne bubbly?

(Phys.org)—Just in time for the holidays, scientists have unraveled some of the chemistry behind the diffusion of CO2 molecules in a glass of Champagne. Among their findings, they discovered that ethan ...

Dec 09, 2014 report
4.3 / 5 (8) 1