A team of researchers at The University of Texas at Austin's Cockrell School of Engineering has built the first-ever circulator for sound. The team's experiments successfully prove that the fundamental symmetry with which ...
General Physics
Jan 30, 2014
2
0
The positions of air inlets and outlets in confined spaces, such as elevators, greatly affect airborne virus transmission. In Physics of Fluids, researchers from University of Nicosia in Cyprus show while air purifiers would ...
Soft Matter
Jan 26, 2021
3
460
Ice ages and warm periods have alternated fairly regularly in the Earth's history: the Earth's climate cools roughly every 100,000 years, with vast areas of North America, Europe and Asia being buried under thick ice sheets. ...
Earth Sciences
Aug 7, 2013
47
21
(AP)—Is it Easter or Christmas? Many Europeans would be forgiven for being confused by winter's icy grip on lands that should be thawing in springtime temperatures by now.
Environment
Mar 29, 2013
111
0
A quick glance at a world precipitation map shows that most tropical rain falls in the Northern Hemisphere. The Palmyra Atoll, at 6 degrees north, gets 175 inches of rain a year, while an equal distance on the opposite side ...
Earth Sciences
Oct 20, 2013
1
0
Global air travel contributes around 3.5 percent of the greenhouse gas emissions behind/driving anthropogenic climate change, according to the International Panel on Climate Change (IPCC). But what impact does a warming planet ...
Environment
Jul 13, 2015
12
428
When commercial airplanes break through the clouds to reach cruising altitude, they have typically arrived in the stratosphere, the second layer of Earth's atmosphere. The air up there is dry and clear, and much calmer than ...
Earth Sciences
Aug 29, 2017
5
411
On 4 March 1997 the Mars Pathfinder lander fell through the thin Martian atmosphere. During its descent, instrumentation aboard the lander recorded the changing atmospheric temperature, pressure, and density.
Space Exploration
Feb 14, 2012
2
0
In the depths of the long night that cloaks the Arctic in frigid darkness for three months each winter, a surprising patch of open water appeared, just to the north of Greenland.
Earth Sciences
Dec 11, 2018
34
111
China's severe winter air pollution problems may be worsened by changes in atmospheric circulation prompted by Arctic sea ice loss and increased Eurasian snowfall - both caused by global climate change.
Environment
Mar 15, 2017
1
201
