News tagged with cell towers

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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

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

Engineers discover unique fingerprint for cell phones

(Phys.org) —Law enforcement officials may soon have a new tool at their disposal—a device that can distinguish between cell phones based on their digital signal. In the never ending game of cat-and-mouse ...

Aug 02, 2013 weblog
3.8 / 5 (12) 4 | with audio podcast

Why innovation thrives in cities

In 2010, in the journal Nature, a pair of physicists at the Santa Fe Institute showed that when the population of a city doubles, economic productivity goes up by an average of 130 percent. Not only does total productivity increa ...

Jun 04, 2013
4.5 / 5 (8) 0 | with audio podcast

Apple buys WiFi-location startup

Apple has bought WiFiSLAM, a startup that has been developing a way to use WiFi hotspots to help smartphones navigate large indoor spaces, like stores, airports and conference centers.

Mar 25, 2013
1 / 5 (3) 0

Sprint raises offer to buy Clearwire for $2.2B

Sprint, the third-largest U.S. cellphone company, said Monday that it will buy out the portion of wireless network operator Clearwire that it doesn't already own after raising its offer price to $2.2 billion.

Dec 17, 2012
not rated yet 0

Engineering solutions to real-world problems

A BlueVision Web Scraper that populates a database that tracks and evaluates press coverage. A hydrogen fuel-cell vehicle that will race in next year's Shell Eco-marathon Americas competition. A small cell ...

Dec 17, 2012
2 / 5 (1) 0