By Peter Weiss
Physicists have long known that quantum computers have the potential to race through calculations trillions of times as fast as ordinary computers do. Now, it seems that those machines may not have to calculate at all to deliver answers.
That seemingly absurd possibility, which was advanced as a theory several years ago, has now received experimental verification. What’s more, although previous calculations indicated that such an approach would work only half the time at best, the new study suggests that it could become completely reliable.