Authors like H.G. Wells, Isaac Asimov, and Robert Heinlein have long envisioned a future where the automobile gives way to massive, high-speed moving walkways. Some of them merely zoom commuters around cities, while others, like Heinlein’s "mechanized roads,” could take people from Cleveland all the way to Cincinnati.
The moving sidewalk is familiar to travelers in the real world, too, but smaller and limited to controlled environments like airports and train stations. They lack the grandeur and the... READ ON