News tagged with radio waves
Single-Molecule Magnets Open New Door for Information Technology
Mar 09, 2009 |
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(PhysOrg.com) -- Recent research by scientists in Italy and France shows that that single molecules have the ability to store information via their magnetic state. Their work is a first step toward a new generation ...
High-School Student Discovers Strange Astronomical Object
Sep 22, 2009 |
4.6 / 5 (20) |
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(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.
A Theory of Dark Matter
Sep 08, 2009 |
3.6 / 5 (41) |
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Among the most astounding, unexpected, and important achievements of the past century (or even more) have been the discoveries of dark matter and dark energy, collectively dubbed the "dark sector."
Precise Radio-Telescope Measurements Advance Frontier Gravitational Physics
Sep 01, 2009 |
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(PhysOrg.com) -- Scientists using a continent-wide array of radio telescopes have made an extremely precise measurement of the curvature of space caused by the Sun's gravity, and their technique promises a ...
The cosmos is green: Researchers catch nature in the act of 'recycling' a star (w/Animations)
May 21, 2009 |
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(PhysOrg.com) -- For the first time, researchers have observed a singular cosmic act of rebirth: the transformation of an ordinary, slow-rotating pulsar into a superfast millisecond pulsar with an almost infinitely ...
THEMIS: 'Singing' electrons help create and destroy 'killer' electrons
May 07, 2009 |
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Scientists using NASA's fleet of THEMIS spacecraft have discovered how radio waves produced by electrons injected into Earth's near-space environment both generate and remove high-speed "killer" electrons.
NASA Balloon Mission Tunes in to a Cosmic Radio Mystery
Space & Earth / Space Exploration
Jan 07, 2009 |
4.6 / 5 (17) |
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(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 ...
Fermi Telescope Caps First Year With Glimpse of Space-Time (w/ Video)
Oct 28, 2009 |
4.6 / 5 (14) |
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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 ...
Astronomers seek to explore the cosmic Dark Ages
Oct 15, 2009 |
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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 ...
Wi-Fi signals can see through walls
Oct 05, 2009 |
4.1 / 5 (7) |
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(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 ...
Longest lightning storm on Saturn breaks Solar System record
Space & Earth / Space Exploration
Sep 15, 2009 |
3.7 / 5 (3) |
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A powerful lightning storm in Saturn’s atmosphere that began in mid-January 2009 has become the Solar System’s longest continuously observed thunderstorm. It broke the record duration of 7.5 months set by ...
Star-birth myth 'busted' (w/ Podcast)
Aug 25, 2009 |
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(PhysOrg.com) -- An international team of researchers has debunked one of astronomy's long held beliefs about how stars are formed, using a set of galaxies found with CSIRO’s Parkes radio telescope.
GEMS mission to explore the polarized universe
Space & Earth / Space Exploration
Aug 04, 2009 |
4.6 / 5 (10) |
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An exciting new astrophysics mission led by NASA's Goddard Space Flight Center in Greenbelt, Md., will provide a revolutionary window into the universe. Named the Gravity and Extreme Magnetism Small Explorer ...
Special alloy sleeves urged to block hackers?
Jul 12, 2009 |
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(AP) -- To protect against skimming and eavesdropping attacks, federal and state officials recommend that Americans keep their e-passports tightly shut and store their RFID-tagged passport cards and enhanced ...
Simulations Illuminate Universe's First Twin Stars (w/ Video)
Jul 09, 2009 |
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(PhysOrg.com) -- The earliest stars in the universe formed not only as individuals, but sometimes also as twins, according to a paper published today in Science Express. By creating robust simulations of the ...
