A Dramatic Presentation of a Classical Analogue to the Quantum Zeno Effect A Play in One Act: John Boy: Good night, Mary Ellen. Mary Ellen: Good night John Boy. JB: Are you asleep? ME: No. JB: Are you asleep? ME: No. JB: Are you asleep? ME: No. Repeat several more times Exeunt, pursued by a… Continue reading The Classical Zeno Effect
Category: Quantum Optics
You Can’t Get There From Here
Buried beneath some unseemly but justified squee-ing, Scalzi links to an article about “counterfactal computation”, an experiment in which the group of Paul Kwiat group at Illinois managed to find the results of a quantum computation without running the computer at all. Really, there’s not much to say to that other than “Whoa.” The article… Continue reading You Can’t Get There From Here
What It Takes
In the ongoing string theory comment thread (which, by the way, I’m really happy to see), “Who” steps off first to ask an interesting question: One way to give operational meaning to a theory being predictive in the sense of being empirically testable is to ask What future experimental result would cause you to reject… Continue reading What It Takes