A University of Utah study suggests something amazing: Periodic changes in winds 15 to 30 miles high in the stratosphere influence the seas by striking a vulnerable "Achilles heel" in the North Atlantic and changing mile-deep ...
Earth Sciences
Sep 23, 2012
9
0
(PhysOrg.com) -- Researchers at the University of Arkansas have shown that changing the chirality, or direction of spin, of a nanoscale magnetic vortex creates an electric pulse, suggesting that such a pulse might be of use ...
General Physics
Apr 8, 2009
1
0
Optical fibres made of topological photonic crystals allow improved versatility and control across the modes and polarization of light they transmit. Compositionally, photonic crystals contain bandgaps to prevent the passage ...
(Phys.org) -- The dramatic melt-off of Arctic sea ice due to climate change is hitting closer to home than millions of Americans might think. That's because melting Arctic sea ice can trigger a domino effect leading to increased ...
Earth Sciences
Jun 6, 2012
71
0
For the first half of this year's winter, the big news was warm temperatures and lack of snow. Ski resorts were covered in bare dirt, while January temperatures in southern California topped July highs.
Earth Sciences
Feb 17, 2012
14
0
(PhysOrg.com) -- At the human scale, the tightly wrapped spinning columns of air in a tornado contain terrifying destructive power that ravages communities. At the nanoscale, however, closely coiled magnetic vortices hold ...
General Physics
Feb 2, 2009
1
0
The bitter chill gripping North America is a result of Arctic air that has spilled southwards, and global warming may be a cause, an expert said on Monday.
Earth Sciences
Jan 6, 2014
41
0
The world is getting warmer, winters included. The United States, however, has experienced severe winter storms in recent years, and experts are taking a closer look at the link between these extreme cold events and climate ...
Environment
Dec 29, 2022
6
72
Anchorage, Alaska, was warmer Tuesday than Jacksonville, Florida. The weather in the U.S. is that upside down.
Environment
Jan 3, 2018
140
113
A new study says that as the world gets warmer, parts of North America, Europe and Asia could see more frequent and stronger visits of cold air as the world gets warmer.
Earth Sciences
Sep 2, 2014
87
0
