News tagged with white space
Four white dwarf stars caught in the act of consuming 'earth-like' exoplanets
University of Warwick astrophysicists have pinpointed four white dwarf stars surrounded by dust from shattered planetary bodies which once bore striking similarities to the composition of the Earth. The scientists ...
May 03, 2012 |
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Nokia uses 'white spaces' technology for indoor positioning (w/ Video)
Scott Probasco is roaming the floor of the hanger at the Imperial War Museum, Duxford, with a Nokia N9 attached to a small box. He passes Concorde, turns right at a World War One bi-plane and pauses underneath ...
Apr 30, 2012 |
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Astronomers identify 12-billion-year-old white dwarf stars
A University of Oklahoma assistant professor and colleagues have identified two white dwarf stars considered the oldest and closest known to man. Astronomers identified these 11- to 12-billion-year-old white dwarf stars only ...
Apr 11, 2012 |
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North Carolina becomes home of White Spaces network
(PhysOrg.com) -- America’s first commercial “TV White Spaces Network” was launched this week in Wilmington, New Hanover County, North Carolina. Wilmington, as the first U.S. city to shift from ...
Jan 29, 2012 |
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Microsoft advocates new WiFi-NC to make use of white spaces in spectrum
(PhysOrg.com) -- Four years ago, the FCC began allowing limited use of the so-called white spaces in the electromagnetic spectrum that is shared by all wireless devices (in the United States). The white spaces ...
Jan 09, 2012 |
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China's space ambitions ally glory with pragmatism
As China pushes to become a global space power, experts say its ambitions go well beyond a symbolic moon landing, to satellite observation and a global positioning system to rival that of the United States.
Space & Earth / Space Exploration
Jan 05, 2012 |
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Ancient white dwarf stars
(PhysOrg.com) -- Pushing the limits of its powerful vision, NASA's Hubble Space Telescope uncovered the oldest burned-out stars in our Milky Way Galaxy in this image from 2002. These extremely old, dim "clockwork ...
Nov 03, 2011 |
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Telescopes help solve ancient supernova mystery
(PhysOrg.com) -- A mystery that began nearly 2,000 years ago, when Chinese astronomers witnessed what would turn out to be an exploding star in the sky, has been solved. New infrared observations from NASA's ...
Oct 24, 2011 |
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A cosmic inkblot test
(PhysOrg.com) -- If this were an inkblot test, you might see a bow tie or a butterfly depending on your personality. An astronomer would likely see the remains of a dying star scattered about space -- precisely ...
Aug 11, 2011 |
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'Odd couple' binary makes dual gamma-ray flares
(PhysOrg.com) -- In December 2010, a pair of mismatched stars in the southern constellation Crux whisked past each other at a distance closer than Venus orbits the sun. The system possesses a so-far unique ...
Jun 29, 2011 |
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Outstanding math and science teachers honored by the President
On May 20th, a group of kindergarten thru sixth-grade teachers from accross the United States topped off a visit to the nation's capital by meeting with President Barack Obama. The meeting honored teachers ...
Jun 01, 2011 |
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First 'white space' devices about to debut
(PhysOrg.com) -- Google, and eight other already approved companies are likely to soon be joined by Microsoft as they all take a giant leap into the great "white space" unknown. Because bandwidth for computing devices has ...
May 25, 2011 |
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FCC to open up vacant TV airwaves for broadband
(AP) -- A new flavor of Wi-Fi, with longer range and wall-piercing power, could show up in wireless gadgets a year from now if the Federal Communications Commission works out the last details of new spectrum ...
Sep 13, 2010 |
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Image: A chameleon sky
The sands of time are running out for the central star of this the Hourglass Nebula.
Sep 03, 2010 |
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Melding Wi-Fi with digital TV 'white space'
Rice University researchers have won a $1.8 million federal grant for one of the nation's first, real-world tests of wireless communications technology that uses a broad spectral range -- including dormant broadcast television ...
Sep 02, 2010 |
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