It sounds like something out of a comic book, and until recently, Google's X Lab was kind of a secret compound -- or at least a place that wasn't broadcasting its experiments to the public. But that is changing. Google Glass, the company's web streaming spectacles, were born there. The Bay Area facility was recently visited by Bloomberg Businessweek editor Josh Tyrangiel. Tyrangiel says the labs are a place where scientists can think big ideas with a lot of freedom.