Sound shield: A research fellow from Nanyang Technological University checking the speakers fitted on the window of a mock-up room in Singapore. — AFP
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.
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