LONDON -- Doing laundry is annoying. Somehow, no matter how hard you try to stay on top of it, you'll still end up rummaging for that non-existent clean pair of socks. You can put all that behind you ...

At some point in life, most people experience the frustration of the persistent 'dirty sock' smell; even after tossing them in the wash, your just-cleaned clothes don't smell as fresh as you'd hoped.