It's amazing to see how many of these things we have actually accomplished, even if they look a little different. It makes me wonder what the devices in 2100 will actually look like compared to how we think they will look.



I would just like to add - where's my personal flying machine?



The Moving Pavement





House-Moving by Train





Televised Outside Broadcasting





Police X-Ray Surveillance Machine





Personal Flying Machines





Weather Control Machine





Combined Ship and Railway Locomotive





Undersea Tourist Boats





Roofed Cities





Personal Airships





Summer Vacations at the North Pole