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 ...

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In the context of sensory modalities, eyes work like tiny antennae, picking up light, electromagnetic waves traveling at blistering speeds. When humans look at the world, their eyes catch these waves ...

Researchers at ETH Zurich have managed to make sound waves travel only in one direction. In the future, this method could also be used in technical applications with electromagnetic waves. Water, ...