Have you ever visited or lived in a big city where it is really noisy outside your windows? It is really annoying, right? And stressful, right?
Have you have heard of noise cancelling headphones? Well, now researchers in Singapore have designed a noise cancellation system for windows.
People want to be able to have their windows open, but the noise outside is too much. So they end up closing the windows.
Soon though, you might be able to get this new apparatus.
Read about it here.