Online viewing and listening are now staples of those who live the digital life. But online tasting? This may be happening sooner than one expects, with a simulator invented by an engineer with the Keio-NUS CUTE Center at NUS. The brainchild of Dr Nimesha Ranasinghe, Researcher at the Center who led the project, the digital device can recreate the taste of virtual food and drinks by non-invasive electrical and thermal stimulation of the tongue. This generates signals transmitted through a silver electrode touching the tip of the tongue to produce salty, sweet, sour and bitter sensations. By combining different levels of electrical currents and varying the temperature of the electrode, simulation of the tastes can be reproduced.
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