How to Build a Robot Nose Without Understanding How Smell Works

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The idea of harnessing this superpower in the dog's nose to smell disease is so enticing that some scientists are just full steam ahead on operation build a robot nose. So, do those people know how smell works? Not really. How can you build something like a robot nose when you just don't understand how smells works? They're just kind of ignoring the problem. Just ignoring it? Yeah, it turns out you might actually be able to build a robot Nose without really understanding how it works.

Believe it or not, scientists still don't know how the sense of smell works. But they're looking at how powerful it is - dogs can actually sniff out cancer and many other diseases - and they're trying to figure out how to reverse engineer it. In fact, one MIT scientist may have built a robot nose ... without completely understanding how his invention works.

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