Some folks at the Tokyo University of Agriculture and Technology (probably with a bit too much time on their hands) have developed a TV set that can generate aromas to go along with the TV programming being watched.
This extra-sensory element could change the way you watch cooking shows forever, the smell of a biriani curry filling your nostrils as it’s cooked on the screen. That and countless other opportunities to enhance your viewing experience.
Imagine, now you can not only experience that T-Rex's gaping mouth primed to make you its next morsel in 3D, you get to smell its rancid breath as well.
Source - Watching a movie isn't just a visual feast anymore, now more of the viewer's senses can be stimulated, psfk.com