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News Link • Science, Medicine and Technology

Tongue electrode lets you taste virtual food

What if such an experience was a reality? What if you could plug into your Oculus Rift and not only interact with food in a virtual environment, but also actually taste it? A new electrode developed by scientists at the National University of Singapore could be the first step in making that happen. This electrode, when placed directly on the tongue, can mimic all four taste sensations present there: sweet, salty, bitter and sour. It works by producing signals that change in temperature and electrical current after touching the tip of the tongue. A semiconductor controls the process, allowing the electrode to heat and cool quickly. It’s also completely safe, albeit a little clunky — researchers hope to make it more comfortable in the near future.

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