"Digital smell" technology could let us transmit odors in online chats

The research is preliminary and not without its critics. But if electric smell pans out, long-distance conversations could one day be far more immersive — enabling you to share with a loved one the aroma of a meal you just prepared, for example, or letting you catch a whiff of the sea from your sister’s beach vacation.

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“It’s not just about the smell,” said Adrian Cheok, one of the scientists behind the experiments. “It is part of a whole, integrated virtual reality or augmented reality. So, for example, you could have a virtual dinner with your friend through the internet. You can see them in 3D and also share a glass of wine together.”

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