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Ohio State Makes a Stink by Digitally Sending Scents

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Ohio State Makes a Stink by Digitally Sending Scents

The scent-sending technology could be used in online shopping, healhcare diagnoses and just for fun.

Want to celebrate your faraway friend with a sniff of fresh-baked birthday cake? Wake up a sleepy dorm daughter with the scent of coffee or oranges? It’s still a Jetsons-style dream for regular folks to send scents across the miles, but researchers at the Ohio State University are bringing us closer. They’ve developed a new system capable of detecting and transmitting smells across vast distances.

That system, outlined in a study released Wednesday, includes two different devices. First, an AI-powered e-nose detects and analyzes an odor. Then, it sends that scent data to a receiver called a Scentronic, which recreates the smell for someone else.

The team created a few versions of the Scentronic, including a wristband, a handheld model and a necklace. Each one is equipped with a five-channel scent distributor that uses a piezoelectric atomizer to spray the scents. (Piezoelectric refers to the use of pressure to create an electrical charge.) The entire device is powered by Wi-Fi and a cloud server that stores and transfers the scent data between devices.

The team used five scents: cake, beer, red wine, coffee and oranges. The e-nose detected one of those aromas, sent it to the Scentronic, and then the Scentronic reproduced the scent for the 16 people testing the system. Those people accurately identified all five scents.

Chunyu Yang, a doctoral candidate at OSU and lead author of the Scentronic paper, told CNET in an email that these scents were deliberately chosen because they represented familiar but distinctive smells people encounter regularly in the real world.


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