Stephen Wolfram, inventor of the Wolfram computational language and the Mathematica software, announced that he may have found a path to the holy grail of physics: A fundamental theory of everything.

If someone asked you to walk in a straight line over a constantly shifting floor, you would probably declare it impossible after a few tries and a couple of grazed knees. Researchers studying a ...

To Shakespeare, all the world was a stage. To natural philosophers of Newton’s era, it was a mechanical clock. Physicists of the 19th century viewed reality more like a steam engine. Today a fair ...