The film explains the concept of sound, distinguishing between audible and inaudible frequencies. It describes how sound waves are created through vibrations, how they can be visualized using ...

Water has long been the go-to when it comes to fighting a fire. But what about sound waves? It might be hard to wrap your ...

Be it water, light or sound: waves usually propagate in the same way forwards as in the backward direction. As a consequence, when we are speaking to someone standing some distance away from us, that ...

Scientists at ETH Zurich and the Swiss Federal Institute of Technology Lausanne have developed a device that directs sound waves in one direction without wasting energy. This breakthrough sound wave ...

This experiment demonstrates how water affects sound waves and pitch. You'll discover how different water levels create different musical notes and learn about the relationship between mass, vibration ...