Scientists Say You Can Cancel the Noise but Keep Your Window Open
Researchers in Singapore developed a system that’s sort of like noise-canceling headphones for your whole apartment.
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Well the "Ugly" factor can easily be covered with speaker cloth. No problem there. I just wonder how heavy it would be to put in a window? More or less than the average A/C?
It would sure be awesome to have such a solution in the big cities - windows open or not. I think it might be a needed solution for many apartment dwellers.