Schrödinger’s cat, the infamous thought experiment involving a cat that can be alive and dead at the same time, has been ...

One of the weirdest theories in cosmology is the holographic principle, the idea that our universe is a three-dimensional image projected off a two-dimensional surface — the idea that, yes, we are ...

Last year, some cancer patients in Tennessee and Mississippi got a startling offer: Instead of videoconferencing with oncology specialists located hours away, they could see a hologram doctor ...