News tagged with wireless

Reliable communication, unreliable networks

Now that the Internet's basic protocols are more than 30 years old, network scientists are increasingly turning their attention to ad hoc networks—communications networks set up, on the fly, by wireless devices—where ...

Aug 05, 2013
4 / 5 (5) 0 | with audio podcast

In with antennas, out with cables

An eyesore and a tripping hazard in one: cable clutter is a real nuisance. Now a new kind of antenna is set to banish the pest, hidden in tables and supplying electronic devices with power. The "tables" can ...

Aug 02, 2013
5 / 5 (1) 0

Key factors for wireless power transfer

What happens to a resonant wireless power transfer system in the presence of complex electromagnetic environments, such as metal plates? A team of researchers explored the influences at play in this type of situation, and ...

Jul 31, 2013
4.7 / 5 (3) 1

Birds' good vibrations power mini backpacks

Birds that yield good vibration provide motion excitation ... for engineers: As Earth warms, birds may be changing their migratory patterns. But to obtain avian data, scientists need in-flight tracking sensors ...

Jul 26, 2013
3 / 5 (1) 0 | with audio podcast

Technology for cars to talk to each other urged

(AP)—Federal accident investigators are recommending the government set performance standards for new safety technology that allows cars and trucks to talk to each other and then require the technology ...

Jul 23, 2013
3.5 / 5 (6) 0

China's online population rises to 519 million

(AP)—China's population of Internet users has grown to 591 million, driven by a 20 percent rise over the past year in the number of people who surf the Web from smartphones and other wireless devices, an ...

Jul 17, 2013
not rated yet 1