On the edge of Mountain View, California, they sat. Gigantic, hollow, towering husks. The airship hangars at the Moffett Airfield are a diesel-punk ruin, empty coffins for an era of aviation long since passed. But after decades of disuse, they might usher in the next stage of our cyber-reality. On Wednesday, Google took over the airship hangars at Moffett field and the surrounding 1,000 acres.