News tagged with signal strength
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 ...
Protein is key to embryonic stem cell differentiation
Mar 18, 2009 |
5 / 5 (1) |
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Investigators at Burnham Institute for Medical Research (Burnham) have learned that a protein called Shp2 plays a critical role in the pathways that control decisions for differentiation or self-renewal in both human embryonic ...
Spreading high-speed Internet to rural areas
Mar 16, 2009 |
3 / 5 (1) |
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To cut the cost of bringing high-speed Internet to rural areas, Dr. Ka Lun Lee and colleagues at the University of Melbourne and NEC Australia in the state of Victoria are experimenting with a way to boost the reach of existing ...
Search results for signal strength
Novel electric signals in plants
Mar 09, 2009 |
4 / 5 (1) |
1
Using ion-selective micro-electrodes electrical signals in plants moving from leaf to leaf could be measured. The speed of the signals spreading as voltage changes over cell membranes ranged from 5 to 10 cm ...
Weather, waves and wireless: Super strength signalling
May 16, 2008 |
4.3 / 5 (15) |
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A new study from the University of Leicester has discovered a particular window of time when mobile signals and radio waves are ‘super strength’ – allowing them to be clearer and travel greater distances, potentially interfering ...
RFID testbed measures multiple tags at once and rapidly assesses new antenna designs
May 05, 2008 |
3.4 / 5 (8) |
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Researchers have designed a system capable of simultaneously measuring hundreds of radio frequency identification (RFID) tags and rapidly testing new RFID tag prototypes.
Audio Watermarking Technique Could Locate Movie Pirates
Feb 26, 2009 |
1.6 / 5 (9) |
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(PhysOrg.com) -- Camcorder piracy - which occurs when moviegoers bring a camcorder into a theater to record a movie from the screen - is a rapidly growing illegal activity. In the US, camcorder piracy has ...
New High Frequency Amplifier Harnesses Millimeter Waves in Silicon for Fast Wireless
Feb 11, 2009 |
4.8 / 5 (11) |
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(PhysOrg.com) -- New imaging and high capacity wireless communications systems are one step closer to reality, thanks to a millimeter wave amplifier invented at the University of California, San Diego and ...
Random Antenna Arrays Boost Emergency Communications
Feb 25, 2009 |
4 / 5 (3) |
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(PhysOrg.com) -- First responders could boost their radio communications quickly at a disaster site by setting out just four extra transmitters in a random arrangement to significantly increase the signal power at the receiver, ...
The hippocampus plays a fundamental role in the computing of uncertainty
Medicine & Health / Neuroscience
Apr 30, 2009 |
4.8 / 5 (4) |
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The hippocampus, a key brain region for memory and learning, codes the degree of uncertainty of potential reward situations. This fundamental role has just been demonstrated by Giovanna Vanni-Mercier and her colleagues at ...
Are all males liars and cheaters? Yes -- if they're crayfish!
Biology /
Apr 02, 2007 |
4 / 5 (11) |
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Intimidation and threats are common throughout society, whether it’s in the school playground, sporting arena or boardroom. Threatening behaviour is equally widespread among non-human animals. Individuals ...
Innovative antennae may signal a 'new wave' in health care provision
May 14, 2008 |
3.7 / 5 (3) |
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Compact, wireless and power efficient body sensors that allow doctors to monitor illnesses and injuries remotely are a step closer thanks to new research.
Should females trust showy males?
Aug 21, 2009 |
3.6 / 5 (5) |
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(PhysOrg.com) -- How honest are males when using sexual displays to signal their eligibility to females?
List of search results for signal strength
