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Virtual Lemonade Sends Color and Taste to a Glass of Water

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Add electrodes and serve.

A team of National University of Singapore researchers say they have developed a system that can enable people to share sensory experiences over the Internet.

Credit: REX/Shutterstock

Researchers at the National University of Singapore say they have developed a system of sensors and electrodes that can digitally transmit the basic color and sourness of a glass of lemonade to a tumbler of water, enabling people to share sensory experiences over the Internet.

Nimesha Ranasinghe and colleagues used an RBG color sensor and a pH sensor to capture the color and acidity of a freshly poured glass of lemonade. They then transmitted this data to a special tumbler equipped with an electrode that mimicked the sourness of the lemonade by stimulating the drinker's taste buds with a pulse of electricity. Light-emitting diodes were used to replicate the color of the drink.

Ranasinghe says these types of virtual flavorings could help people enjoy digital versions of sugary drinks without consuming calories or damaging their teeth.

From New Scientist
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