Get ready to hear the 'sound of silence'!
Have you ever been inside the world's quietest room? No? Shouldn't be a problem, because now, you can make your own room absolutely sound proof!
Sep 15, 2015, 16:11 PM IST
Have you ever been inside the world's quietest room? No? Shouldn't be a problem, because now, you can make your own room absolutely sound proof!
Sep 15, 2015, 16:11 PM IST