News tagged with megahertz frequency
Two for one: Radio chip and sensor combine to measure weather
RFID technology is on the advance. But, up to now radio chips primarily supply data for the identification of products. Researchers have now developed a transponder which measures temperature, pressure and ...
Oct 01, 2010 |
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Sharing the air
(PhysOrg.com) -- In the old days, when a new wireless technology came along, it got its own swath of the electromagnetic spectrum: AM radio uses 535 to 1,605 kilohertz, so television got chunks between 54 ...
Sep 22, 2009 |
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New Wi-Fi Technology Using White Spaces
(PhysOrg.com) -- A wireless internet network that uses portions of the old analog TV spectrum may one day become a reality. The plans for a computer network that uses "white spaces," which are empty fragments ...
Aug 20, 2009 |
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Verizon Wireless uses new network for first time
(AP) -- Verizon Wireless says it has completed the first calls using a brand-new network that's planned to go live next year, offering faster Internet speeds.
Aug 14, 2009 |
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Search results for megahertz frequency
Govt IDs more airwaves for commercial wireless
(AP) -- The federal government wants to alleviate data congestion on smartphones and other mobile devices by asking the Defense Department, NASA and other agencies to switch to new locations on the airwaves or share their ...
Mar 27, 2012 |
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APEX: At the forefront of what's needed for the next generation of light sources
(PhysOrg.com) -- The focus of Berkeley Lab’s Advanced Photon Injector Experiment, APEX, is an extraordinary electron gun specially designed for the front end of superconducting accelerators. When it’s ...
Mar 16, 2012 |
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Electrical circuits talk to single atoms
(PhysOrg.com) -- If a practical quantum computer is ever to be realized, conventional electronic devices will have to interface with the delicate quantum systems such as atoms or ions in traps or wisps of ...
Mar 06, 2012 |
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New law could free up TV airwaves for mobile use
A new law could result in fewer TV stations on the air, in exchange for faster wireless data services for smartphones and tablet computers.
Feb 28, 2012 |
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Physicists create first 'frequency comb' to probe ultraviolet wavelengths
Physicists at JILA have created the first "frequency comb" in the extreme ultraviolet band of the spectrum, high-energy light less than 100 nanometers (nm) in wavelength. Laser-generated frequency combs are the most accurate ...
Feb 01, 2012 |
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TV channel squeeze proposed to pay for tax cuts
(AP) -- Call it the Great Channel Squeeze.
Dec 16, 2011 |
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No extraordinary effects from microwave and mobile phone heating
The effect of microwave heating and cell phone radiation on sample material is no different than a temperature increase, according to scientists from the Department of Chemistry and Biochemistry, Arizona State University, ...
Nov 15, 2011 |
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France pockets 936 mn euros in 4G frequency auction
France took in 936 million euros ($1.3 billion) from the auction of frequencies to build fourth-generation mobile telephone networks, telecommunications regulator Arcep said on Thursday.
Sep 22, 2011 |
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NASA Mars research helps find buried water on Earth
A NASA-led team has used radar sounding technology developed to explore the subsurface of Mars to create high-resolution maps of freshwater aquifers buried deep beneath an Earth desert, in the first use of ...
Space & Earth / Earth Sciences
Sep 15, 2011 |
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Synchronized dynamic duos: Controlling how magnetic vortices gyrate together
Crystals can guide and control light and electricity by creating spatially periodic energy barriers. An electron (or photon) can pass through these barriers only when it has a particular energy, allowing ...
Aug 26, 2011 |
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List of search results for megahertz frequency
