It might look like a medieval torture device on wheels, but this Walt Disney World rig ensures no rollercoaster riders lose a limb.
Called the “Envelope of Protection,” it travels slowly and under careful eye around tracks to simulate a person’s furthest possible reach (see video). So when little Jonny inevitably rebels against the rules “please keep all hands inside the ride at all times,” he won’t lose any digits – or worse.
It’s how the park knows exactly where to place signs, structural beams, speakers and even Mickey Mouse ears (usually about 12 feet from the coaster).
Although this device might look primitive and freaky, not all theme parks use the same design. The photo here, a more modern one made for the type of coaster you’d find at your nearest theme park.
