News tagged with radio frequency
Guilty verdict in theft of Motorola secrets for China
A former software engineer for Motorola was found guilty Wednesday of stealing trade secrets from the US technology firm just before she tried to leave the country for China, the Justice Department said.
Feb 08, 2012 |
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Playing RFID tag with sheets of paper
Radio Frequency Identification (RFID) tags are an essential component of modern shopping, logistics, warehouse, and stock control for toll roads, casino chips and much more. They provide a simple way to track the item to ...
Feb 06, 2012 |
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LED lights point shoppers in the right direction
Looking for an item in a large department store or mall can be like searching for a needle in a haystack, but that could change thanks to a hybrid location-identification system that uses radio frequency transmitters and ...
Jan 26, 2012 |
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UN sets stage for blazing fast new mobile devices
(AP) -- A United Nations telecom meeting has approved the next generation of mobile technology, which experts say will make devices 500 times faster than 3G smartphones and eliminate the wait time between the tap of a finger ...
Jan 19, 2012 |
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British pharmacy chain announces roll-out of new smart pills loaded with microchip
(Medical Xpress) -- A new pharmaceutical program that many Britons might find literally hard to swallow, has been announced. Pharmacy chain Lloydspharmacy has partnered with American technology firm Proteus ...
Medicine & Health / Medications
Jan 18, 2012 |
4.1 / 5 (13) |
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Technology tracks birds visiting feeders
To study bird feeding and breeding behavior, ornithologists used to tag birds with colored bands and then painstakingly track the birds' activity. But now, an existing technology repurposed for tracking birds ...
Jan 06, 2012 |
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Li-Fi: Inventor hailed for light bulb wi-fi
A University of Edinburgh engineer has been named among the top inventors in the world in high-profile publications.
Dec 21, 2011 |
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Researchers adapt classic antennas to harness more power from the sun
Some solar devices, like calculators, only need a small panel of solar cells to function. But supplying enough power to meet all our daily needs would require enormous solar panels. And solar-powered energy collected by panels ...
Nov 10, 2011 |
4.1 / 5 (7) |
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The perfect clone: Researchers hack RFID smartcards
Professional safecrackers use a stethoscope to find the correct combination by listening to the clicks of the lock. Researchers at the Ruhr-University Bochum have now demonstrated how to bypass the security mechanisms of ...
Nov 03, 2011 |
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Biggest ever study shows no link between mobile phone use and tumors
There is no link between long-term use of mobile phones and tumours of the brain or central nervous system, finds new research published in the British Medical Journal today.
Oct 21, 2011 |
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Scientists hope to create robot strawberry pickers
Scientists at the National Physical Laboratory (NPL), the UK's Measurement Institute, have developed an imaging technology which can identify the ripeness of strawberries before they are picked. The developers ...
Oct 19, 2011 |
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Tiny bits of debris are a big problem in space, says Stanford professor in report on 'space junk'
Many of us have too much junk shoved into our closets, but according to a report released Friday by the National Research Council, we Earthlings also have way too much junk orbiting our planet – and it ...
Space & Earth / Space Exploration
Sep 07, 2011 |
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Smart skin: Electronics that stick and stretch like a temporary tattoo (w/ video)
Engineers have developed a device platform that combines electronic components for sensing, medical diagnostics, communications and human-machine interfaces, all on an ultrathin skin-like patch that mounts ...
Aug 11, 2011 |
4.8 / 5 (17) |
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Children and adolescent mobile phone users at no greater risk of brain cancer than non-users
Children and adolescents who use mobile phones are not at a statistically significant increased risk of brain cancer compared to their peers who do not use mobile phones, according to a study published July 27 in the Journal of ...
Jul 27, 2011 |
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Calves clock-in for monitored mealtimes
Electronic ear tags are being used to provide an early warning system that will help farmers identify sick animals within a herd.
Jul 27, 2011 |
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Radio frequency
Radio frequency (RF) is a frequency or rate of oscillation within the range of about 3 Hz to 300 GHz. This range corresponds to frequency of alternating current electrical signals used to produce and detect radio waves. Since most of this range is beyond the vibration rate that most mechanical systems can respond to, RF usually refers to oscillations in electrical circuits.
For more information about Radio frequency, read the full article at
Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
