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Method Uses 'Bluetooth' To Track Travel Time For Vehicles, Pedestrians
May 27, 2008 — Engineers have created a method that uses pervasive Bluetooth signals from cell phones and other wireless devices to constantly update how long it takes vehicles and pedestrians to travel from one ... > full story -
Turning Conventional Video Coding Wisdom On Its Head
May 20, 2008 — A major drawback of the latest generation video products and applications has been the complex requirements for coding and decoding signals. An alternative put forward by European researchers turns ... > full story -
Emergency Links: 'Sweet Spot' For Radios In Tunnels Identified
May 16, 2008 — Researchers have confirmed that underground tunnels -- generally a difficult setting for radios -- can have a frequency "sweet spot" at which signals may travel several times farther than at other ... > full story -
Innovative Antennae May Signal A 'New Wave' In Health Care Provision
May 14, 2008 — Compact, wireless and power efficient body sensors that allow doctors to monitor illnesses and injuries remotely are a step closer thanks to new ... > full story -
First Transistor Using Nanotechnology Is 50 Times More Energy Efficient Than Current Models
April 24, 2008 — Transistors are an indispensable building block in electric appliances, where they amplify weak electric currents. Now researchers have developed a new type of transistor that is 50 times more energy ... > full story -
Light Research Opens Door For Optical Storage And Computing
April 24, 2008 — The goal of replacing electronics with optics for processing data in computers is coming closer through cutting-edge European research into the mysterious properties of "fast and slow" light. The ... > full story -
Location Spoofing Possible With WiFi Devices: Positioning System Used By IPhone/iPod Breached
April 14, 2008 — Apple iPhone and iPod (touch) support a new self-localization feature that uses known locations of wireless access points as well as the device's own ability to detect access points. Now researchers ... > full story -
Wireless EEG System Self-Powered By Body Heat And Light
April 12, 2008 — Scientists have developed a battery-free wireless 2-channel EEG system powered by a hybrid power supply using body heat and ambient light which could be used to monitor brain waves after a head ... > full story -
Needle-Size Device Created To Track Tumors, Radiation Dose
April 8, 2008 — Engineers are creating a wireless device designed to be injected into tumors to tell doctors the precise dose of radiation received and locate the exact position of tumors during ... > full story -
On-Card Fingerprint Match Is Secure, Speedy
April 2, 2008 — A fingerprint identification technology for use in Personal Identification Verification cards that offers improved protection from identity theft meets the standardized accuracy criteria for federal ... > full story
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