Math and computer science researchers have long known that some questions are fundamentally unanswerable. Now physicists are exploring how physical systems put hard limits on what we can predict.
Three exotic new species of superconductivity were spotted last year, illustrating the myriad ways electrons can join together to form a frictionless quantum soup.
To understand how universes might inflate and bump into each other in the hypothetical multiverse, physicists are studying digital and physical analogs of the process.
Physicists finally achieved the long-sought goal, but there’s a catch: Their compound requires crushing pressures to keep from falling apart.
Strange, long-forgotten numbers called quaternions are undergoing a revival in computer graphics, math, and physics.
