Some physicists compare the Planck length—the smallest meaningful scale we know—to tiny “pixels” that could form the fabric ...

Researchers at the University of British Columbia Okanagan have published a mathematical argument that, they say, rules out the possibility that this universe is a computer simulation. The claim, made ...

The idea that reality might be a kind of cosmic software has shifted from late-night dorm debate to a live question in physics and philosophy. A growing body of work now treats the “simulation ...

Could Earth, and everything on it and beyond — even our entire universe — be a simulation running on a giant computer? Image via Pixabay/ Geralt. How do you know anything is real? Some things you can ...

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 ...