Right now an artificial nose is kind of a big device, about the size of a microwave oven or bigger. [1]
You could build much smaller devices to detect particular molecules, but even a CO detector is about the size of your thumb. And it would take quite a lot of such devices to even begin to describe a real smell.
You could build much smaller devices to detect particular molecules, but even a CO detector is about the size of your thumb. And it would take quite a lot of such devices to even begin to describe a real smell.
[1] https://en.wikipedia.org/wiki/Gas_chromatography%E2%80%93mas...