Summary
Episode 18: Zeste de science presents the first episode of Ecorce de recherche, an immersion into archives of last century's scientific research. Every concert hall needs the best possible acoustic quality. But to assure acoustic quality in an enclosed space, you first need to see how sound is distributed in said space. With that goal in mind, scientists built two devices in 1951: a water tank in which water ripples represent sound waves, and an ultrasound system.