'Scentronic' prototype senses a smell and recreates it far away (opens the source in a new tab)

Graphic: the Scentronic e-nose recognises five scents (beer, cake, coffee, oranges, red wine) and a remote device recreates them.
Original graphic: KKReckonsView full size ↗
  • Ohio State researchers built an e-nose that spots a smell, then tells a small remote device to release a matching scent, at any distance.
  • It knows five scents so far: beer, cake, coffee, oranges and red wine. Scent molecules do not travel online; only the odour data does.
  • It is a research prototype built without a company. Mixed smells, refills, cost and safety of the mist are open questions.
5
scents recognised so far
15 cm
e-nose diameter

Why it matters Sight and sound already travel digitally; smell is the gap. A real product would need many more scents and reliable sensing of mixtures.

Other side Recognising a smell and recreating it are separate challenges, the lead author says. Five scents is a demo, not a library.

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