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Practical "Smell-o-Vision" System Being Developed
cylonlover writes "Researchers have managed to create a proof of concept Smell-o-Vision device potentially capable of pumping out thousands of different odors, yet small enough to fit behind a TV. The device has 200 X-axis controllers and 100 on the Y-axis that could selectively activate each of the 10,000 possible odors stored within numerous non-flammable silicone elastomer compartments."
If it doesn't have a method of removing the smells, it will fail like all the others.
(You do know these things have been failing since something like the 1950s, right?)
I read the article, and it sounds like they don't have a solution for this. Heck, they even talk about using coffee beans between testing smells to act as a nasal palette cleanser. I'd guess from that little tidbit that not only have they not solved the problem, but have definitely encountered it in use and have no clue what to do.
It's an amusing gimmick, but they don't seem to have solved the problems that have plagued scent delivery systems before: odors don't evaporate that quickly. Audio and video disappear the instant you stop creating them, but odors linger. That's a problem of the room, not the device.
Devices like this have been discussed hundreds of times before, and I'm not quite sure what makes this one "practical". I imagine it's some great bit of engineering that lets them carry 10,000 individual scents and deliver them quickly, and I'm sure that's a neat trick.
It might even be handy for some applications in flavor and fragrance labs: punch in a formula, get out a sample instantly rather than having to drag out all of the source materials and mix them up. That's tedious and time-consuming work, and if you have to tweak, you generally have to start over.