News tagged with gps system

GPS solution provides 3-minute tsunami alerts

Researchers have shown that, by using global positioning systems (GPS) to measure ground deformation caused by a large underwater earthquake, they can provide accurate warning of the resulting tsunami in ...

May 17, 2013
5 / 5 (1) 0 | with audio podcast

US army seeks new technology to replace GPS

The US army is working to limit its dependence on GPS by developing the next generation of navigation technology, including a tiny autonomous chip, the director of the Pentagon's research agency said Wednesday.

Apr 25, 2013
4.1 / 5 (12) 5

Explainer: what is GPS?

It's a device used widely in cars, on smartphones and in fitness devices. But what exactly is GPS, and how is it able to pinpoint our exact location anywhere on Earth?

Mar 08, 2013
4.3 / 5 (6) 2

'GPS' for indoor use

Have you ever lost your way in a large office building or on a university campus? Normal GPS systems are of little assistance in these cases. A new smartphone app shows you the internal layout of a building ...

Feb 07, 2013
5 / 5 (2) 0

Microsoft Research does Cloud-Offloaded GPS

(Phys.org)—GPS reduces battery life in a smartphone or tablet, a problem that has challenged a team led by principal researcher Jie Liu at Microsoft Research. Liu has said in the past that sensing and energy ...

Dec 25, 2012 weblog
4 / 5 (11) 0 | with audio podcast

Judge allows evidence against man in GPS case

(AP)—A federal judge is allowing prosecutors to use evidence in a drug conspiracy conviction that had been overturned because police used a global positioning system without a warrant.

Dec 20, 2012
not rated yet 0

Low-energy GPS sensing looms large

Location sensing has become ubiquitous—it's present every time you turn on your smartphone or engage your car's navigation system. It's also become critical to a variety of outdoors and remote research ...

Dec 11, 2012
4 / 5 (1) 0