News tagged with microwave
Durham astronomers' doubts about the 'dark side'
(PhysOrg.com) -- New research by astronomers in the Physics Department at Durham University suggests that the conventional wisdom about the content of the Universe may be wrong. Graduate student Utane Sawangwit ...
Jun 14, 2010 |
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Americans get most radiation from medical scans
(AP) -- We fret about airport scanners, power lines, cell phones and even microwaves. It's true that we get too much radiation. But it's not from those sources - it's from too many medical tests.
Jun 14, 2010 |
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Scientists create artificial mini 'black hole'
(PhysOrg.com) -- Scientists from China have built a device that can trap and absorb microwaves coming from all directions with a 99% absorption rate - a property that makes the device simulate, to some extent, ...
Jun 03, 2010 |
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Probing the dark side of the universe
Advancing into the next frontier in astrophysics and cosmology depends on our ability to detect the presence of a particular type of wave in space, a primordial gravitational wave. Much like ripples moving ...
May 20, 2010 |
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New Amplifier Pushes the Boundary of Quantum Physics
(PhysOrg.com) -- If powerful new quantum computers are to reach their enormous potential, they will need amplifiers capable of transmitting signals so weak they consist of a single photon. In the May 6 edition ...
May 05, 2010 |
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NASA to Probe the Universe's First Moments
(PhysOrg.com) -- Sophisticated new technologies created by NASA and university scientists are enabling them to build an instrument designed to probe the first moments of the universe's existence.
Space & Earth / Space Exploration
Apr 29, 2010 |
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91S becomes Tropical Cyclone 24S as NASA's TRMM captures its rainfall
NASA's Tropical Rainfall Measuring Mission or TRMM satellite has been flying over the low pressure area known as System 91S in the Southern Indian Ocean and providing estimates of rainfall within the storm. ...
Space & Earth / Earth Sciences
Apr 22, 2010 |
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Neutrinos: Clues to the Most Energetic Cosmic Rays
(PhysOrg.com) -- ARIANNA, a proposed array of detectors for capturing the most energetic cosmic rays, is being tested in Antarctica with a prototype station built last December on the Ross Ice Shelf by a Berkeley ...
Apr 20, 2010 |
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Scientists record yoctonewton forces
(PhysOrg.com) -- Scientists in Australia and the US have discovered that trapped ions are "exquisitely sensitive" force detectors, and have used them to record the tiniest forces ever measured.
Apr 14, 2010 |
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Studying Matter and Radiation from the Early Universe
(PhysOrg.com) --Almost 400,000 years after the universe was created in the big bang, matter cooled sufficiently for neutral atoms to form, thereby allowing the pervasive light to propagate almost completely ...
Apr 12, 2010 |
3.7 / 5 (7) |
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TRMM measures Cyclone Paul's rainfall from space
Having been hit by two tropical cyclones so far this season, Queensland had been the center of tropical cyclone activity, but with the recent arrival of Tropical Cyclone Paul, it is now the Northern Territory's ...
Space & Earth / Earth Sciences
Mar 30, 2010 |
5 / 5 (1) |
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NASA's TRMM Satellite measures Cyclone Ului's Australian rainfall from space
NASA and the Japanese Space Agency's Tropical Rainfall Measuring Mission or TRMM satellite can estimate rainfall from space. TRMM is used to monitor tropical rainfall around the world, and can also calculate ...
Space & Earth / Earth Sciences
Mar 22, 2010 |
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Tomas moving away from Fiji Islands after causing damages
Cyclone Tomas hit the north and east areas of Fiji as a Category 4 Cyclone on the Saffir-Simpson Scale, and has now moved south of them. NASA's Tropical Rainfall Measuring Mission satellite captured an image ...
Space & Earth / Earth Sciences
Mar 17, 2010 |
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JHU astrophysicist and team win $5 million stimulus grant to build telescope
A team led by Johns Hopkins astrophysicist Charles L. Bennett has won a $5 million National Science Foundation grant - administered through the federal stimulus package - to build an instrument to probe what happened during ...
Mar 15, 2010 |
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Mysterious Cosmic 'Dark Flow' Tracked Deeper into Universe (w/ Video)
(PhysOrg.com) -- Distant galaxy clusters mysteriously stream at a million miles per hour along a path roughly centered on the southern constellations Centaurus and Hydra. A new study led by Alexander Kashlinsky ...
Mar 10, 2010 |
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