Search results for radio noise:
NASA Balloon Mission Tunes in to a Cosmic Radio Mystery
Space & Earth / Space Exploration
Jan 07, 2009 |
4.6 / 5 (17) |
15
(PhysOrg.com) -- Listening to the early universe just got harder. A team led by Alan Kogut of NASA's Goddard Space Flight Center in Greenbelt, Md., today announced the discovery of cosmic radio noise that ...
New study shows bird population estimates are flawed
Biology /
Nov 21, 2008 |
4 / 5 (2) |
0
Most of what we know about bird populations stems from surveys conducted by professional biologists and amateur birdwatchers, but new research from North Carolina State University shows that the data from those surveys may ...
Motorola Now Shipping APX Multi-band Two-Way Radios
Electronics / Consumer & Gadgets
Aug 07, 2009 |
not rated yet |
0
Motorola is now shipping APX 7000 two-way radios, enabling instant multi-agency interoperability for mission critical first responders. The industry’s first Project 25 (P25) multi-band (700/800 MHz and VHF) ...
National Semiconductor Introduces Industry's Lowest-Noise Frequency Synthesizer
Jul 06, 2009 |
5 / 5 (3) |
0
National Semiconductor today announced the industry’s lowest-noise, fully integrated frequency synthesizer. The PowerWise LMX2541 provides less than 2 milli-radians (mrad) root-mean-square (rms) noise at 2.1 ...
Stealth radar system sees through trees, walls -- undetected
Jun 26, 2006 |
4.5 / 5 (48) |
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Ohio State University engineers have invented a radar system that is virtually undetectable, because its signal resembles random noise. The radar could have applications in law enforcement, the military, and disaster rescue.
SETI@home completes a decade of ET search
Space & Earth / Space Exploration
May 01, 2009 |
4.3 / 5 (32) |
9
The SETI@home project, which has involved the worldwide public in a search for radio-wave evidence of life outside Earth, marks its 10th anniversary on May 17, 2009.
Insight into HIV's 'on-off' switch shows promise for therapy, understanding cellular decisions
Medicine & Health / HIV & AIDS
Mar 16, 2008 |
4.6 / 5 (18) |
2
Researchers at the University of California, San Diego and Oak Ridge National Laboratory have discovered how a genetic circuit in HIV controls whether the virus turns on or stays dormant, and have succeeded ...
Astronomer Kenneth Franklin dies at 84
Space & Earth / Space Exploration
Jun 22, 2007 |
5 / 5 (1) |
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Astronomer Kenneth L. Franklin has died at 84 from complications of heart surgery in Boulder, Colo.
Which Is King Of Clubs In The Noise Stakes?
Sep 30, 2009 |
2 / 5 (1) |
0
(PhysOrg.com) -- New generation thin-faced titanium golf clubs can produce sound levels nearly twice as loud as traditional steel clubs when they hit a ball, according to new research.
K-State engineers helping develop energy-harvesting radios
Dec 16, 2008 |
4.5 / 5 (6) |
0
If changing the batteries in the remote control or smoke detector seems like a chore, imagine having to change hundreds of batteries in sensors scattered across a busy bridge.
Small, low-noise oscillator may help in surveillance
Sep 16, 2006 |
3.5 / 5 (12) |
0
A new design for a microwave oscillator that is smaller, simpler, and produces clearer signals at a single frequency than comparable devices has been invented at the National Institute of Standards and Technology (NIST). ...
NIST Measures Challenges for Wireless in Factories
Aug 31, 2007 |
4 / 5 (2) |
0
Factories have much to gain from wireless technology, such as robot control, RFID tag monitoring, and local-area network (LAN) communications. Wireless systems can cost less and offer more flexibility than cabled systems. ...
Celebrate the centennial of historic radio broadcasts
Feb 05, 2009 |
not rated yet |
0
Charles Herrold isn't going to be forgotten this year. What do you mean, "Who's Charles Herrold?" This is just the sort of thing San Jose, Calif., boosters and radio fans - two in particular - have been fighting against ...
Infineon unveils low-noise SiGeC transistor
Sep 02, 2005 |
not rated yet |
0
Germany's Infineon Technologies unveiled a silicon-germanium-carbon (SiGeC) process technology for high-performance radio-frequency semiconductor devices.
Scientists identify origin of hiss in upper atmosphere
Space & Earth / Earth Sciences
Mar 05, 2008 |
4.4 / 5 (30) |
1
Scientists have solved a 40-year-old puzzle by identifying the origin of the intense radio waves in the Earth's upper atmosphere that control the dynamics of the Van Allen radiation belts — belts consisting of high-energy ...
