Black holes as noise traps
Dübendorf, St. Gallen und Thun, 13.5.2022 - Anyone who lives in an old building with wooden floors knows the problem: Even if the neighbors from above glide across the floor with graceful elegance, it sounds as if you were living under a bowling alley. Impact sound is a challenge even for the most modern wooden buildings. Scientists at Empa are now tinkering with a solution.