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Press X to sniff: Can smelling a game make it more immersive?

Modern video games look more realistic than they ever have - but there's one sense developers have yet to exploit.

Prof Alan Chalmers, of Warwick University, tells Newsbeat the tech could be especially useful for simulations, allowing trainee pilots to use all of their senses. At this year's CES tech showcase in Las Vegas, Sony showed off its Future Immersive Entertainment Concept - a room with screens on every surface creating a 360-degree view. Its makers claim it uses AI to work out what smells to release and when to unleash them - including a metallic gunfire aroma, or flowers in a forest.

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