21/09/2022

Security

LA Unified cyberattackers demand ransom

The hackers who targeted the Los Angeles Unified School District have made a ransom demand, officials confirmed Tuesday, an indication that the attackers have extracted sensitive data or believe they can bluff the district ...

Energy & Green Tech

Durable platform makes sustainable fuel from seawater

Seawater could be the perfect stockfeed for sustainable fuel: it is renewable, abundant, economic and contains exactly the right ingredients to produce high-quality hydrogen. The drawback is that it contains less-desirable ...

Robotics

Teaching robots to be team players with nature

Algae bloom, birds flock, and insects swarm. This en masse behavior by individual organisms can provide separate and collective good, such as improving chances of successful mating propagation or providing security. Now, ...

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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