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Bubbles containing the scent of sausage rolls

We've heard a lot lately about the bursting of the tech bubble, but scientists at Bristol University believe their bubble technology could have a profitable future. Their system for producing bubbles onto which images can be projected and which release a scent when burst will be unveiled at a major conference on human-computer interfaces this weekend.

[...] The professor imagines a future where a bakery chain releases bubbles containing the scent of sausage rolls to entice people into their stores...

— Read more at A new kind of tech bubble at BBC News.