Engineering

Metal alloys defy the deep freeze, staying tough at -253°C

Scientists have discovered a class of metal that can unexpectedly resist extreme cold using an unusual mechanism. Normally such temperatures would make similar materials brittle and vulnerable to breaking. The findings, published ...

Computer Sciences

Can AI understand space, time and pain?

Artificial intelligence can do remarkable things, but how much does it actually understand about the world? Researchers have found that surprisingly specific information can be extracted from the inner workings of large language ...

Machine learning & AI

How artificial neural networks build their own learning machinery

As artificial intelligence becomes more powerful, its ability to handle humanlike tasks is undeniable. Artificial neural networks can learn to recognize images, use language or write computer code. Like the brain's circuits, ...

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