Robots that Smell / Artificial noses and beyond

While out for a walk in my neighborhood, I caught a whiff of something that instantly made me think of my grandmother’s house. I haven’t experienced that smell—either from its original source or elsewhere—in well over a decade, but the memory of being back at my grandmother’s house was immediate and striking. On the other hand, I can’t really remember or recreate that smell in my mind; either it’s there or it isn’t. I have convenient analog and digital methods of recording images and sounds so that I can see and hear them later, but no way to capture the scent of a dish at a restaurant, a favorite vacation spot, or any other smell that moves me in some way.

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Original post by Joe Kissell

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