The future we've got isn't the one we were promised. Sure, our lives are better than at any point in history, but where we once lusted after flying cars, we now dream of smartwatches.
Back in the 60s, however, the US military was less concerned with making everything "smart" and more interested in building badass vehicles of the future. This 1961 film reel touting Department of Defense's research capabilities, we get a peek at the military's work on hovercraft, from a floating scooter to a flying donut.
For the rest of the story: http://motherboard.vice.com/blog/the-armys-flying-scooter-and-air-donut-were-basically-ufos