News tagged with radio waves
Related topics: radio telescopes , black holes , neutron stars
Call Forwarding: New NIST Procedure Could Speed Cell Phone Testing
(PhysOrg.com) -- By accurately re-creating the jumbled wireless signal environment of a city business district in a special indoor test facility, researchers at the National Institute of Standards and Technology ...
Mar 03, 2010 |
not rated yet |
0
Radar Finds Ice Deposits at Moon's North Pole
(PhysOrg.com) -- Using data from a NASA radar that flew aboard India's Chandrayaan-1 spacecraft, scientists have detected ice deposits near the moon's north pole. NASA's Mini-SAR instrument, a lightweight, ...
Space & Earth / Space Exploration
Mar 02, 2010 |
4.3 / 5 (19) |
7
|
Students find 'lost' office gear with tiny sensors
(PhysOrg.com) -- Miniature sensors being developed by CSIRO promise to provide the answers to questions which seem to arise regularly in modern office workplaces like: "Where's my pen?" and; "Who nicked my ...
Feb 10, 2010 |
3 / 5 (2) |
1
|
Wireless optical transmission key to secure, safe and rapid indoor communications
Light is better than radio waves when it comes to some wireless communications, according to Penn State engineers. Optical communications systems could provide faster, more secure communications with wider bandwidth and would ...
Jan 27, 2010 |
3.7 / 5 (3) |
2
|
West Virginia Student Discovers New Pulsar
(PhysOrg.com) -- A West Virginia high-school student has discovered a new pulsar, using data from the giant Robert C. Byrd Green Bank Telescope (GBT).
Space & Earth / Space Exploration
Jan 22, 2010 |
4.7 / 5 (6) |
0
Radio pulses from pulsar appear to move faster than light
(PhysOrg.com) -- Laboratory experiments in the last few decades have shown that some things can appear to move faster than light without contradicting Einstein's special theory of relativity, but now astrophysicists ...
Jan 14, 2010 |
4.4 / 5 (56) |
76
|
MagicJack's next act: disappearing cell phone fees
(AP) -- The company behind the magicJack, the cheap Internet phone gadget heavily promoted on TV, has made a new version of the device that allows free calls from cell phones in the home.
Jan 08, 2010 |
4.8 / 5 (8) |
5
Scientists reveal Milky Way's magnetic attraction
(PhysOrg.com) -- An international research project involving the University of Adelaide has revealed that the magnetic field in the centre of the Milky Way is at least 10 times stronger than the rest of the ...
Jan 06, 2010 |
4.8 / 5 (9) |
4
Fermi Telescope Caps First Year With Glimpse of Space-Time (w/ Video)
During its first year of operations, NASA's Fermi Gamma Ray Space Telescope mapped the extreme sky with unprecedented resolution and sensitivity. It captured more than one thousand discrete sources of gamma ...
Oct 28, 2009 |
4.6 / 5 (14) |
5
Blast from the Past Gives Clues About Early Universe
(PhysOrg.com) -- Astronomers using the National Science Foundation's Very Large Array (VLA) radio telescope have gained tantalizing insights into the nature of the most distant object ever observed in the ...
Oct 28, 2009 |
4.7 / 5 (9) |
5
Smallest nanoantennas for high-speed data networks
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 ...
Oct 20, 2009 |
3 / 5 (4) |
0
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
High-School Student Discovers Strange Astronomical Object
(PhysOrg.com) -- A West Virginia high-school student analyzing data from a giant radio telescope has discovered a new astronomical object -- a strange type of neutron star called a rotating radio transient.
Sep 22, 2009 |
4.6 / 5 (21) |
8
