Ananova, one of my favourite news sites, carried this piece recently:
A television is being developed that allows viewers to smell what is on screen. Scientists at Sony in San Diego, California are creating the small device in the set will send out harmless ultrasound signals to the brain. It means that viewers will be able to smell and taste a dish on a cookery programme reports The Sun. Work on the device has been going on for five years but news of its development came to light after the company applied for a patent.
Of course, you would hope that the device had a failsafe built in - so that it didn't do it for all programs. There are some smells from television that I'd rather not have filling my head!
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