Every day, invisible magnetic explosions are happening around Earth, on the surface of the sun and across the universe. These explosions, known as magnetic reconnection, occur when magnetic field lines cross, releasing stored ...
Space Exploration
Mar 9, 2017
0
12
The bubbles that form on a heated surface create a tiny recoil when they leave it, like the kick from a gun firing blanks. Now researchers at the University of Illinois at Chicago, under funding from NASA, have shown how ...
General Physics
Mar 6, 2017
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12
The Phoenix cluster is an enormous accumulation of about 1,000 galaxies, located 5.7 billion light years from Earth. At its center lies a massive galaxy, which appears to be spitting out stars at a rate of about 1,000 per ...
Astronomy
Feb 14, 2017
20
55
Nanorobots and other mini-vehicles might be able to perform important services in medicine one day – for example, by conducting remotely-controlled operations or transporting pharmaceutical agents to a desired location ...
General Physics
Feb 13, 2017
0
32
Ever wondered how the fate of champagne bubbles from their birth to their death with a pop enhances our perception of aromas? These concerns, which are relevant to champagne producers, are the focus of a special issue of ...
General Physics
Dec 23, 2016
1
8
The quest to develop a wireless micro-robot for biomedical applications requires a small-scale "motor" that can be wirelessly powered through biological media. While magnetic fields can be used to power small robots wirelessly, ...
General Physics
Nov 22, 2016
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22
The term "start-up" can bring to mind thoughts of economic bubbles and busts. But out of many company starts, a few will go on to succeed and even flourish. For the second year, Chemical & Engineering News (C&EN), the weekly ...
Other
Nov 2, 2016
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4
When one type of an oxide structure called perovskite is exposed to both water vapor and streams of electrons, it exhibits behavior that researchers had never anticipated: The material gives off oxygen and begins oscillating, ...
Materials Science
Oct 3, 2016
1
7
Science fiction through the ages has inspired scientific discoveries, such as human flight, interplanetary travel or, in this case, a microscopic submarine than can navigate the bloodstream for medical reasons.
Engineering
Oct 3, 2016
0
15
(Phys.org)—A small team of researchers with Princeton University has found evidence that suggests that the amount of oxygen in the Earth's atmosphere has dropped by 0.7 percent over the past 800,000 years. In their paper ...
