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 and rescue operations ...

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.

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 between law enforcement ...

Architect imagines BT Tower as pollutant-scrubbing haven

(Phys.org) —File under Big Idea. Use a city building to trap pollutants, clean the air, and convert car emissions into biofuel? An architect has such a concept. The idea is to attach a special carbon fiber and steel structure ...

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 ...

World landmarks go dark for Earth Hour

The Empire State Building, the Eiffel Tower and the Kremlin—along with a slew of other landmarks around the world—went dark to draw attention to climate change.

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