Smells are evocative: the smell of fresh-cut grass, strawberries and cinnamon all make you think of certain things. This prototype odor recorder creates smells from 8 components, then analyzes the results to make sure that it's producing the appropriate stench. The developers are hoping to use the odor recorder in fields such as e-commerce and games. Personally, I can't wait until all of those virtual pet games come with a device like this so potential pet owners can appreciate the fine aroma of a cat litter tray in need of cleaning. – Richard Baguley

The Odor Recorder. [Red Ferret]

Odor Recorder [Tokyo Institute of Technology]

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