el_flynn writes "This may be a cure for those of you with loud computers, or perhaps those who spend lots of time in NOC rooms that generate lots of noise: NewScientist.com mentions about a "Silence Machine" that gets rid of unwanted noise. I want one to quiet down my neighbour's loud dogs. " These are also being tested in cars, to make the car quieter. I've got a pair of the headphones that the article alludes to - they make airplane travel much nicer, and having something like this to cancel machine noise would be excellent.
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