News tagged with tower

Mobile radio passive radar makes harbors safer

Many coastal areas and harbors go almost unprotected against acts of terror. Soon a new sensor system relying on signal echoes from cell towers can quickly detect even the smallest of attack boats. This mobile ...

Dec 01, 2014
5 / 5 (2) 0

US spies on mobile phones from the sky, report says

US justice officials are scooping up mobile phone data from unwitting Americans as part of a sophisticated airborne surveillance program designed to catch criminals, the Wall Street Journal reported Thursday.

Nov 14, 2014
4.8 / 5 (8) 5

Blackout? Robots to the Rescue

(Phys.org) —Big disasters almost always result in big power failures. Not only do they take down the TV and fridge, they also wreak havoc with key infrastructure like cell towers. That can delay search ...

Sep 25, 2014
5 / 5 (3) 1

Ravens rule Idaho's artificial roosts

A new study by the Wildlife Conservation Society (WCS), U.S. Geological Survey (USGS) and Idaho State University (ISU) explored how habitat alterations, including the addition of energy transmission towers, ...

Aug 11, 2014
4.5 / 5 (4) 1

The goTenna device pitch is No Service, No Problem

In the new age of Internet-based crowdfunding with special price offers, where startup teams try to push their product closer and closer to the gate of entry, goTenna's campaign offers a most attractive pitch. ...

Jul 18, 2014 weblog
4.4 / 5 (9) 1

US court weighs police use of cellphone tower data

A U.S. appeals court is wrestling with whether law enforcement has the authority to obtain and use records from cellphone towers, in a case that weighs the importance of people's right to privacy in the age of digital technology.

Apr 25, 2014
4.6 / 5 (5) 0