(PhysOrg.com) -- By accurately re-creating the jumbled wireless signal environment of a city business district in a special indoor test facility, researchers at the National Institute of Standards and Technology have shown ...
Engineering
Mar 3, 2010
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(PhysOrg.com) -- Small migratory birds, like the garden warbler, must make stopovers on their journeys to their breeding grounds. When they have crossed extensive ecological barriers, such as deserts or oceans, they must ...
Plants & Animals
Feb 17, 2010
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Light is better than radio waves when it comes to some wireless communications, according to Penn State engineers. Optical communications systems could provide faster, more secure communications with wider bandwidth and would ...
Engineering
Jan 27, 2010
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University of Utah engineers showed that a wireless network of radio transmitters can track people moving behind solid walls. The system could help police, firefighters and others nab intruders, and rescue hostages, fire ...
Engineering
Oct 12, 2009
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(PhysOrg.com) -- Scientists have succeeded for the first time in fitting monarch butterflies with a radio transmitter and in tracking them from an aircraft over a long distance on their flight northwards during the butterflies’ ...
Plants & Animals
Jul 24, 2009
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(AP) -- One by one, seven slithering Burmese pythons were dumped into a snake pit surrounded by 400 feet of reinforced fence at the Savannah River Ecology Lab in South Carolina.
Ecology
Jun 24, 2009
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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, ...
General Physics
Feb 25, 2009
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Nothing kills innovation like having to reinvent the wheel. Imagine how dull your diet would be if you had to build a new stove and hammer out a few cooking pots every time you wanted to test a new recipe. Until just a couple ...
Engineering
Jan 29, 2009
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University of Utah researchers dusted wild deer mice with fluorescent pink, blue, green, yellow and orange talcum powders to show which rodents most often fought or mated with others and thus were most likely to spread deadly ...
Jan 7, 2009
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