The phrase "quantum computing" is an oxymoron if ever I've heard one...;) It's the equivalent of using algebra/trigonometry to describe quantum mechanics...! Computers are 100% classical math, on-off binary. Quantum mechanics, aside from not being defined at all, is by definition *not* classical-math definable. Whenever I hear "quantum computing" I always get a chuckle. Basically, quantum mechanics = magic, more or less. "Spooky action", etc. Great stuff for raising capital, though--as investors love the sci-fi buzzwords.