14 Mesmerizing Machines That Run The World Behind The Scenes

Giant devices are literally all around us, making our lives easier.
14 Mesmerizing Machines That Run The World Behind The Scenes

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The world is a complicated place, and there's a lot of stuff we take for granted. As it turns out, there are huge, brilliant inventions all around us that are not only mesmerizing to watch, but that get the job done.

14 Mesmerizing Machines That Run The World Behind The Scenes

Mail Deliveries

Giant arrows were placed throughout the U.S. to guide overnight mail deliveries. In the 1920s, arrows painted bright yellow and lit by beacons were se
14 Mesmerizing Machines That Run The World Behind The Scenes

Holland, Michigan

14 Mesmerizing Machines That Run The World Behind The Scenes
14 Mesmerizing Machines That Run The World Behind The Scenes
Giant circles on the pavement in San Francisco mark the location of auxiliary water cisterns. Huge reserves of water sit right underneath the pavement
14 Mesmerizing Machines That Run The World Behind The Scenes
14 Mesmerizing Machines That Run The World Behind The Scenes
In a remote corner of Greenland, a sensor array monitors the planet for nuclear explosions. The infrasound array, IS18, detects nuclear blasts anywher
14 Mesmerizing Machines That Run The World Behind The Scenes
The world's biggest storm drain sits just underneath Tokyo, and it looks like a building from a sci-fi film. The drain is a series of underground cave
Strange ground patterns across the U.S. are photo calibration marks for spy planes and satellites. They're used basically the same way you would use a
14 Mesmerizing Machines That Run The World Behind The Scenes
14 Mesmerizing Machines That Run The World Behind The Scenes
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