The original version of this story appeared in Quanta Magazine. They say a bird in the hand is worth two in the bush, but for computer scientists, two birds in a hole are better still. That’s because ...

Just when you thought quantum physics couldn’t get any weirder, it violates the pigeonhole principle. No, it’s not about a pigeon in a hole that is simultaneously alive and dead. The pigeonhole ...

Research published this month in the Proceedings of the National Academy of Sciences (PNAS) introduced a new quantum phenomenon which the authors called the "quantum pigeonhole principle." Prior to ...