News tagged with emissions

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

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

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

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 ...

Dec 29, 2014
4.5 / 5 (26) 1