(Phys.org) —If your GPS navigation system goes on the fritz in the coming days, you might have the sun to blame. Early this week, the sun released four X-class solar flares, the strongest type of flare. Forecasters at the ...
Space Exploration
May 16, 2013
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(Phys.org) —Devices that harvest energy from the environment require specific environmental conditions; for instance, solar cells and piezoelectric generators require sunlight and mechanical vibration, respectively. Since ...
(Phys.org) —Naval Research Laboratory scientists have observed, for the very first time, the formation of solar flux ropes, which are a type of solar magnetic field. Models of flux ropes have been drawn by theorists in ...
Space Exploration
Apr 3, 2013
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(Phys.org) —Space tethers hold intriguing potential for satellite manoeuvring, attitude control and even power generation. But about half of all orbital tether tests have either failed to deploy or snapped, probably due ...
Space Exploration
Apr 2, 2013
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Mass manufacture of photovoltaic materials is often achieved inexpensively by screen printing organic solar cells onto plastic sheets. The polymer known as poly(ethylene terephthalate), or PET, is a key part of the technology. ...
Polymers
Mar 27, 2013
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Eruptive events on the sun can be wildly different. Some come just with a solar flare, some with an additional ejection of solar material called a coronal mass ejection (CME), and some with complex moving structures in association ...
Space Exploration
Feb 20, 2013
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(Phys.org)—A paper published this week using data from NASA's Cassini mission describes in more detail than ever before how aerosols in the highest part of the atmosphere are kick-started at Saturn's moon Titan. Scientists ...
Space Exploration
Feb 5, 2013
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UT Arlington physics professor Zdzislaw E. Musielak has been awarded a three-year, $301,339 National Science Foundation grant to investigate Alfvén waves in the Sun, a phenomenon vital to understanding Earth's nearest star.
Space Exploration
Jan 22, 2013
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(Phys.org)—In the galactic scheme of things, the Sun is a remarkably constant star. While some stars exhibit dramatic pulsations, wildly yo-yoing in size and brightness, and sometimes even exploding, the luminosity of ...
Space Exploration
Jan 11, 2013
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A solar eruption gracefully rose up from the sun on December 31, 2012, twisting and turning.
Space Exploration
Jan 4, 2013
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