News tagged with antenna
Shape shifters: Researchers create new breed of antennas
Dec 01, 2009 |
4.7 / 5 (13) |
4
(PhysOrg.com) -- Antennas aren't just for listening to the radio anymore. They're used in everything from cell phones to GPS devices. Research from North Carolina State University is revolutionizing the field ...
NASA Assessing New Roles for Ailing QuikScat Satellite
Space & Earth / Space Exploration
Nov 24, 2009 |
4 / 5 (1) |
1
(PhysOrg.com) -- NASA mission managers are assessing options for future operations of the venerable QuikScat satellite following the age-related failure of a mechanism that spins the scatterometer antenna. ...
'Fingerprinting' RFID Tags: Researchers Develop Anti-Counterfeiting Technology
Nov 19, 2009 |
4 / 5 (3) |
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(PhysOrg.com) -- Engineering researchers at the University of Arkansas have developed a unique and robust method to prevent cloning of passive radio frequency identification tags. The technology, based on one or more unique ...
Switching cell phones takes emotional toll
Electronics / Consumer & Gadgets
Nov 18, 2009 |
4.7 / 5 (3) |
1
She's gone. We were the best of friends, constant companions -- literally, because I carried her day and night in the left-front pocket of my jeans. For five years we roamed the world together, or at least the United States, ...
Smallest nanoantennas for high-speed data networks
Oct 20, 2009 |
3.3 / 5 (3) |
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More than 120 years after the discovery of the electromagnetic character of radio waves by Heinrich Hertz, wireless data transmission dominates information technology. Higher and higher radio frequencies are ...
Tech review: Navigating iPhone GPS applications
Oct 08, 2009 |
3.7 / 5 (3) |
1
Since Apple Inc. announced it would support turn-by-turn GPS applications for the iPhone, a slew of GPS apps have appeared in the iTunes app store.
Textile antenna promises futuristic communications
Sep 28, 2009 |
4.3 / 5 (10) |
2
(PhysOrg.com) -- With a simple press on his shirt insignia, the captain of the Star Ship Enterprise could send and receive messages. Now, thanks to the efforts of a Finnish company, this futuristic communication ...
ALMA telescope reaches new heights
Sep 23, 2009 |
4.5 / 5 (4) |
1
The ALMA (Atacama Large Millimeter/submillimeter Array) astronomical observatory took another step forward and upward, as one of its state-of-the-art antennas was carried for the first time to Chile's 16,500-foot-high ...
Measuring the next successful antennas for in-body health monitoring devices
Sep 08, 2009 |
not rated yet |
0
Antennas for the latest implanted medical devices are being developed by Queen Mary University of London and tested through a unique piece of kit at the UK's National Physical Laboratory (NPL).
The Ultimate Long Distance Communication
Space & Earth / Space Exploration
Aug 19, 2009 |
4.5 / 5 (20) |
11
Anyone who's vacationed in the mountains or lived on a farm knows that it's hard to get good internet access or a strong cell phone signal in a remote area. Communicating across great distances has always ...
Can radar be used to deter bats from approaching wind turbines?
Jul 16, 2009 |
5 / 5 (1) |
1
(PhysOrg.com) -- Large numbers of bats are killed by colliding with turbine blades or by experiencing sudden depressurisation immediately adjacent to the blade.
Some still having problems with digital TV conversion
Jul 08, 2009 |
3 / 5 (2) |
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It seemed so simple. Buy a government-subsidized converter box, plug it in, and sit back and enjoy the brave new world of digital television.
TV stations struggling with viewer loss on DTV
Jul 02, 2009 |
5 / 5 (1) |
2
(AP) -- The government is helping two dozen TV stations that became difficult to receive by antenna when they switched to new frequencies as part of the digital TV transition, the Federal Communications Commission said Thursday.
Major milestone: First two ALMA telescope antennas linked
May 06, 2009 |
5 / 5 (4) |
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On 30 April, the team observed the first "interferometric fringes" of an astronomical source by linking two 12-metre diameter ALMA antennas, together with the other critical parts of the system. Mars was chosen ...
Team Continues Analyzing Spirit Computer Reboots and Amnesia Events
Space & Earth / Space Exploration
Apr 21, 2009 |
not rated yet |
0
(PhysOrg.com) -- After three days of completing Earth-commanded activities without incident last week, NASA's Mars Exploration Rover Spirit had a bout of temporary amnesia Friday, April 17, and rebooted its ...
