Let's explore the high-stakes world of quantum computing. These three companies could change the future of computing, each in its own unique way. Quantum computing may be the next big thing, and lots of people are talking about it. The potential to revolutionize industries from pharmaceuticals to finance has investors keeping a close eye on key players in this space. But which companies are leading the charge? To answer this critical question, a trio of Fool.com contributors with decades of high-tech analys ...