Security

Australian police probe purported hacker's ransom demand

Australian police were investigating a purported hacker's release of the stolen personal data of 10,000 customers of the nation's second-largest wireless carrier and demand for a $1 million ransom in cryptocurrency, the company's ...

Energy & Green Tech

Researchers develop a cobalt-free cathode for lithium-ion batteries

Researchers at the University of California, Irvine and four national laboratories have devised a way to make lithium-ion battery cathodes without using cobalt, a mineral plagued by price volatility and geopolitical complications.

Engineering

Artificial soft surface autonomously mimics shapes of nature

Engineers at Duke University have developed a scalable soft surface that can continuously reshape itself to mimic objects in nature. Relying on electromagnetic actuation, mechanical modeling and machine learning to form new ...

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