14/09/2026

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 ...

Energy & Green Tech

Ion-guiding separator improves lithium-metal battery performance

Lithium-metal batteries are attractive for next-generation energy storage because lithium metal offers a very high theoretical capacity. When paired with high-nickel cathodes such as NCM90, they have the potential to achieve ...

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.

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