Published: Sep 12, 2020, 04:50 IST | Updated: Sep 12, 2020, 04:50 IST
World Sep 12, 2020, 04:50 IST
Noise cancelling headphones for homes: Scientists use noise to fight noise
Scientists in Singapore have invented a system that uses the same technology as noise-cancelling headphones to allow residents of crowded cities to keep their windows open while reducing the noise. Watch report.