News tagged with radio signals
Related topics: spacecraft
Widening the search for extraterrestrial intelligence
"The Search for Extraterrestrial Intelligence (SETI) has been dominated for its first half century by a hunt for unusual radio signals. But as he prepares for the publication of his new book The Eerie Silence: Are We Alone?," ...
Mar 01, 2010 |
4.3 / 5 (10) |
1
Mars Express heading for closest flyby of Phobos (w/ Video)
ESA's Mars Express will skim the surface of Mars' largest moon Phobos on Wednesday evening. Passing by at an altitude of 67 km, precise radio tracking will allow researchers to peer inside the mysterious moon.
Space & Earth / Space Exploration
Mar 01, 2010 |
5 / 5 (2) |
0
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GPS Jamming Devices Pose Many Threats (w/ Video)
(PhysOrg.com) -- The latest GPS jamming devices are now being used by car thieves in the UK to render stolen cars and trucks undetectable by law enforcement. These devices also pose a threat to airlines and ...
Feb 25, 2010 |
4.6 / 5 (10) |
16
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Better weather forecasts with a map showing atmospheric vapour
Weather forecasts, satellite navigation in cars and the inspection of dikes or natural gas fields: these applications using satellite data would all be even more accurate if we knew more about the distribution of water vapour ...
Space & Earth / Space Exploration
Feb 09, 2010 |
5 / 5 (1) |
0
Secure radio signal for central locking
(PhysOrg.com) -- Remote central locking is among the most convenient aspects of modern motoring. Transmission of the radio signal that activates the system is not particularly secure, however. A new encryption ...
Feb 01, 2010 |
5 / 5 (1) |
0
Making it easier to save energy
Fraunhofer scientists are developing programs that help show at a glance how much energy devices are consuming. At the GSMA Mobile World Congress in Barcelona, the researchers will be showing how a cell phone can help save ...
Jan 15, 2010 |
2 / 5 (2) |
0
RCA's Airenergy charger converts WiFi energy to electricity
(PhysOrg.com) -- Airenergy is a gadget that can harvest free electricity from WiFi signals such as those from a wireless Internet connection, apparently with enough efficiency to make it practical for recharging ...
Electronics / Consumer & Gadgets
Jan 13, 2010 |
3.8 / 5 (29) |
38
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'Fingerprinting' RFID Tags: Researchers Develop Anti-Counterfeiting Technology
(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 ...
Nov 19, 2009 |
4 / 5 (3) |
0
The Sun's Sneaky Variability
Every 11 years, the sun undergoes a furious upheaval. Dark sunspots burst forth from beneath the sun's surface. Explosions as powerful as a billion atomic bombs spark intense flares of high-energy radiation. ...
Space & Earth / Space Exploration
Oct 28, 2009 |
4.8 / 5 (11) |
5
New concept may enhance Earth-Mars communication
Direct communication between Earth and Mars can be strongly disturbed and even blocked by the Sun for weeks at a time, cutting off any future human mission to the Red Planet. An ESA engineer working with engineers ...
Space & Earth / Space Exploration
Oct 16, 2009 |
4.2 / 5 (13) |
18
Astronomers seek to explore the cosmic Dark Ages
No place seems safe from the prying eyes of inquisitive astronomers. They've traced the evolution of the universe back to the "Big Bang," the theoretical birth of the cosmos 13.7 billion years ago, but there's still a long ...
Oct 15, 2009 |
4.9 / 5 (10) |
1
Wi-Fi signals can see through walls
(PhysOrg.com) -- Researchers at the University of Utah, USA, have discovered that variations in signal strengths in wireless networks can be used to "see" movements of people on the other side of walls or ...
Oct 05, 2009 |
4.3 / 5 (8) |
2
Rensselaer researchers to develop and test next-generation radar systems
Researchers at Rensselaer Polytechnic Institute have received a grant for $792,000 from the U.S. Air Force to create a new laboratory for developing and testing next-generation radar systems that overcome ...
Sep 30, 2009 |
not rated yet |
0
Hurricane Katrina: Phone home
Though New Orleans residents were told to evacuate days before the arrival of Hurricane Katrina, no one could have predicted the real extent of the devastation.
Space & Earth / Earth Sciences
Jul 06, 2009 |
not rated yet |
0
New radio chip mimics human ear, could enable universal radio (w/Video)
(PhysOrg.com) -- MIT engineers have built a fast, ultra-broadband, low-power radio chip, modeled on the human inner ear, that could enable wireless devices capable of receiving cell phone, Internet, radio ...
Jun 03, 2009 |
4.2 / 5 (24) |
2
