Energy & Green Tech

Material composition of cars mapped to assess resource impact

A passenger car contains far more materials than its weight alone would suggest. Beyond the steel and aluminum are small amounts of gold, palladium and molybdenum—elements that can become highly significant when resource ...

Machine learning & AI

Slow the AI race? Investors weigh the potential cost

Calls to rein in the development of ever more powerful AI models are fueling fears over the massive capital outlays in the sector—and the prospect that profits from the promised revolution might not be enough to cover them.

Machine learning & AI

Alarm over AI grows as divided U.S. Congress struggles to act

The U.S. Congress returned from recess Monday facing urgent warnings that artificial intelligence could spin dangerously out of control—and little agreement over whether, or how, Washington should intervene.

Machine learning & AI

Who should own the knowledge that underpins AI technology?

Russian mathematician Yurii Nesterov was recently awarded the Gauss Prize for outstanding mathematical contributions and his "groundbreaking work" on optimization. The award cited his work on gradient descent methods—and ...

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