Can quantum mechanical description of physical reality be considered complete?

That was the title of a ground-breaking article published in 1935 in the Physical Review by Einstein, Podolsky and Rosen (EPR). In this article they brought to the attention of physicists the strange correlations predicted by quantum mechanics for observations involving what are now called entangled systems. They used those predictions to argue that quantum […]

The Ultimate Question of Life, the Universe and Everything?

“Yes,” he said at last in rather a strained drawl. “I did have a question. Or rather, what I actually have is an Answer. I wanted to know what the Question was.” Prak nodded sympathetically, and Arthur relaxed a little. “It’s… well, it’s a long story,” he said, “but the Question I would like to […]