(Phys.org) —Radar systems today depend increasingly on phased-array antennas, an advanced design in which extensive grids of solid state components direct signal beams electronically. Phased array technology is replacing ...
Engineering
Mar 31, 2013
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In a super-arid desert at an altitude of 5,000 meters, with almost no humidity or vegetation, the world's largest ground-based astronomy project opens for business on Wednesday ready to probe the universe with unprecedented ...
Astronomy
Mar 13, 2013
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(Phys.org) —NASA's Mars rover Curiosity continues to move forward with assessment and recovery from a memory glitch that affected the rover's A-side computer. Curiosity has two computers that are redundant of one another. ...
Space Exploration
Mar 12, 2013
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(Phys.org) —Researchers at Georgia Institute of Technology, led by lab director Ian Akyildiz, are proposing that a graphene antenna could be built that would be capable of transferring data at the 10 to 100 terabit level. ...
A couple years ago, researchers introduced a new material that they said could make any object invisible to both radar and the human eye. Invisibility cloaking would have a major impact on defense technology, they explained, ...
General Physics
Mar 5, 2013
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(Phys.org) —NASA's Mars rover Curiosity has transitioned from precautionary "safe mode" to active status on the path of recovery from a memory glitch last week. Resumption of full operations is anticipated by next week.
Space Exploration
Mar 5, 2013
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Mobile money may seem like a hot concept, but consumers aren't warming to it. At the world's largest cellphone trade show, here in Barcelona this week, the 70,000 attendees are encouraged to use their cellphones —instead ...
Telecom
Mar 1, 2013
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(Phys.org)—Metal nanostructures can act as tiny antennae to control light since they can focus and guide light on the smallest of scales. The optical properties of these antennae depend strongly on their size and shape, ...
Nanophysics
Feb 13, 2013
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Semiconductors have revolutionized computing because of their efficient control over the flow of electrical currents on a single chip, which has led to devices such as the transistor. Working towards a similar tunable functionality ...
Nanomaterials
Dec 5, 2012
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An international team of biologists led by Indiana University's David M. Kehoe has identified both the enzyme and molecular mechanism critical for controlling a chameleon-like process that allows one of the world's most abundant ...
Cell & Microbiology
Nov 26, 2012
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