News tagged with particles

Volcanic ash can threaten air traffic

The presence of volcanic ash in the upper atmosphere presents multiple threats to aviation. It not only reduces visibility and abrades the exposed areas of the aircraft, the fine particles can also endanger ...

Jun 04, 2014
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Tagging tiny particles in turbulent clouds

(Phys.org) —Hitching tiny atmospheric particles to cloud formation enables climate models to represent the particles' effects on convective storm systems. Scientists at Pacific Northwest National Laboratory ...

May 30, 2014
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Higgs boson machine-learning challenge

Last week, CERN was among several organizations to announce the Higgs boson machine-learning challengeExternal Links icon – your chance to develop machine-learning techniques to improve analysis of Higgs data.

May 20, 2014
3.8 / 5 (4) 2

Deformable mirror corrects errors

Very high power is needed to cut or weld using a laser beam. But this creates its own problem: the beam's energy deforms the mirrors that are focusing it to a point. When this happens, the beam expands and ...

May 14, 2014
5 / 5 (7) 1

Rounding up the BCATs on the Space Station

Although it may not be herding cats exactly, all the NASA-supported Binary Colloidal Alloy Tests (BCAT) studies have ended on the International Space Station, and the experimental samples are being rounded ...

May 13, 2014
5 / 5 (1) 0

Image: Glowing jewels in the galactic plane

The majority of the stars in our Galaxy, the Milky Way, reside in a single huge disc, known as the Galactic Plane, spanning 100 000 light-years across. The Sun also resides in this crowded stellar hub, lying ...

Apr 29, 2014
5 / 5 (5) 0