Modern-day tools help probe our distant past

Computers are better than humans at carrying out mathematical operations, a facility that extends to the organization and retrieval of digital data. Electronic and digital sensors are better than humans at perceiving and ...

How 'liking' leads to buying

Social media offers marketers a once-only-dreamed-of opportunity for free consumer-to-consumer advertising. But success depends on consumers being willing to share messages with their friends and followers, and often, they ...

A wrench fends off injury, feeds the economy

The gas meters that measure energy consumption in buildings pose as great a threat to workers who service them as downed power lines do to electric utility workers. Left in place for decades, the meters are often painted ...

Crash study aims to make roads safer

It was an early-August evening in rural Wisconsin. An SUV traveling north along a two-lane road veered over the center line. Before landing in a ditch, the car hit a light pole, speed-limit sign and a 13-year-old pedestrian, ...

Metals smart enough to save gas

Imagine engines that conserve fuel by automatically dialing down internal friction, water pipes that seal their own cracks and iPhones that protect themselves when dropped. Metallurgist Pradeep Rohatgi has – and he invented ...

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