Creating optical logic gates from graphene nanoribbons

Research into artificial intelligence (AI) network computing has made significant progress in recent years but has so far been held back by the limitations of logic gates in conventional computer chips. Through new research ...

Smog-ridden New Delhi extends schools shutdown

Authorities in India's smog-ridden capital New Delhi on Sunday extended an emergency schools closure by a week, with no signs of improvement in the megacity's choking levels of pollution.

Why climate change is a national security risk

Climate change is affecting practically everything on Earth, from natural systems to human endeavors. National security is no exception. The National Intelligence Council has found that "climate change will increasingly exacerbate ...

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