“Jumper” is a new movie about a man (okay, Hayden Christensen, aka Anakin Skywalker) who can teleport himself anywhere just by thinking about it. Quantum teleportation is a procedure where quantum information can be transported using entanglement and a few bits of classical communication. The distance between these two is, *ahem*, rather large. The New York Times today has an article about an event at MIT (that other institute of technology) which brought together the director of Jumper, star Hayden Christensen, and MIT professors Ed Farhi and Max Tegmark.
The article is fun, with the physicists explaining that the processes described in the movie will probably forever remain fiction. MIT students properly cheer with Ed Farhi tells the audience “You cannot get that thing over there faster than the speed of light.” Good to see that even at MIT, they know a little physics.
(Overbye’s description of quantum computing
Another use is in quantum computing, which would exploit the ability of quantum bits of information to have different values, both one and zero, at the same time to perform certain calculations, like factoring large prime numbers, much faster than ordinary computers.
fails to get me too upset since only a thinking person might be led from it down the road to the fallacy of exponential parallelism as the generator of quantum computing power.) Update: Holy crap, how did I miss the “factoring large prime numbers.” I’m as blind as a bat. Now I’m mad. Question: will the “paper of record” correct the record?
The real question that arises from the article, however, comes from this line
Mr. Betts said he had gotten excited after a Caltech physicist told him that teleportation was actually an accomplished fact in the quirky realm of quantum physics.
So okay, physicists from Caltech: who told Mr. Betts that teleportation was possible? Fess up.