February 15, 2013
Can you imagine feeling Earth’s magnetic field on the tip of your tongue? Strangely, this is now possible, using a device that converts the tongue into a “display” for output from environmental sensors.
Gershon Dublon of the Massachusetts Institute of Technology devised a small pad containing electrodes in a 5 × 5 grid. Users put the pad, which Gershon calls Tongueduino, on their tongue. When hooked up to an electronic sensor, the pad converts signals from the sensor into small pulses of electric current across the grid, which the tongue “reads” as a pattern of tingles.
Dublon says the brain quickly adapts to new stimuli on the tongue and integrates them into our senses. For example, if Tongueduino is attached to a sensor that detects Earth’s magnetic field, users can learn to use their tongue as a compass. “You might not have to train much,” he says. “You could just put this on and start to perceive.”
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