Artistic rendering of noncollinear sum-frequency generation (SFG): two infrared pulses mix in a χ² crystal to produce three output pulses (green), with the central SFG pulse being the primary output ...

A new quantum algorithm ran a 15-step nonlinear fluid simulation around a solid obstacle on real quantum hardware, the most physically complex publicly documented demonstration of its kind. The ...

Diego Pineda has been a devout storyteller his whole life. He has self-published a fantasy novel and a book of short stories, and is actively working on publishing his second novel. A lifelong fan of ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Here’s what you’ll learn when you read this story: Many philosophers and scientists ...

Advanced AI models appear willing to deploy nuclear weapons without the same reservations humans have when put into simulated geopolitical crises. Kenneth Payne at King’s College London set three ...

It is common to think of time as moving in only one direction – from point A, through point B, to point C. However, many Indigenous peoples – including Māori, the Indigenous people of Aotearoa New ...

How do you know anything is real? Some things you can see directly, like your fingers. Other things, like your chin, you need a mirror or a camera to see. Other things can’t be seen, but you believe ...

The simulation hypothesis—the idea that our universe might be an artificial construct running on some advanced alien computer—has long captured the public imagination. Yet most arguments about it rest ...

Thomas Anderson – otherwise known as Neo – is walking up a flight of stairs when he sees a black cat shake itself and walk past a doorway. Then the moment seems to replay before his eyes. Just a touch ...

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