Sick of city din? Try 'noise-cancelling headphones' for your flat
Sick of city din? Try 'noise-cancelling headphones' for your flat

Sick of noise from construction work, speeding trains and car alarms flooding in through the open window of your tiny apartment in a crowded metropolis?Scientists believe they have found a way for city dwellers to let in fresh air while reducing the urban cacophony — and it is a bit like popping massive, noise-cancelling headphones onto your flat.Under the system devised in Singapore, 24 small speakers are placed on the metal grille of an open window to create what researchers termed an “acoustic shield”.When noise such as traffic or a subway train is detected, the speakers generate sound wav…

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