News tagged with emission

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

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 ...

Mar 02, 2015
4 / 5 (6) 0

A grand extravaganza of new stars

This dramatic landscape in the southern constellation of Ara (The Altar) is a treasure trove of celestial objects. Star clusters, emission nebulae and active star-forming regions are just some of the riches ...

Mar 11, 2015
4.7 / 5 (14) 0

New carbon accounting method proposed

Established ways of measuring carbon emissions can sometimes give misleading feedback on how national policies affect global emissions. In some cases, countries are even rewarded for policies that increase ...

Mar 10, 2015
2.8 / 5 (11) 2

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

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 (16) 1

Assisted regeneration could make farmers money

Researchers have found that assisting vegetation to grow back naturally could be a far more profitable way for farmers to lock in carbon than the more commonly considered method of planting trees and shrubs.

Mar 17, 2015
5 / 5 (2) 0

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