On a warm afternoon last fall, Steven Caron, a technical artist at the video-game company Quixel, stood at the edge of a redwood grove in the Oakland Hills. “Cross your eyes, kind of blur your eyes, ...

Artificial intelligence is often thought of as disembodied: a mind like a program, floating in a digital void. But human minds are deeply intertwined with our bodies — and an experiment with virtual ...

The reality we understand and interact with daily might, according to some scientists, be nothing more than an elaborate simulation. This hypothesis, intriguing as it may be, is supported by various ...