Imagine seeing cake in a virtual world, then tasting it. Researchers have taken a step toward that reality with a device that delivers virtual tastes by squirting chemicals onto the tongue.
The system, called “e-Taste,” can detect chemicals in foodstuffs and wirelessly transmit this information to a device that delivers the same or equivalent chemicals to a user’s tongue. By combining different chemicals, the device can mimic flavors ranging from cake to coffee, researchers report February 28 in Science Advances.
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