In our everyday world, waves are stubbornly democratic. Whether it’s the sound of a conversation, the glow of a lightbulb, or ...

James is a published author with four pop-history and science books to his name. He specializes in history, strange science, ...

Researchers have created a new sound wave director that can target specific ports and mute sound everywhere else.

When something vibrates, it can create sound waves. Sound waves can travel through solids like metal, liquids like water and gases like air. But they can’t travel through empty space which has nothing ...

After years of research, scientists at ETH Zurich have developed a method to make sound waves travel in a single direction.

To return to the analogy from earlier, two people in a room conversing at the same volume with no obstacles between them can ...

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, ...

When placed against the mouthpiece of the instrument the air inside begins to vibrate too, forming sound waves. To make different notes the amount of air vibrating inside the instrument has to be ...

A sound wave is a vibration that travels through a solid, liquid or gas such as the air or water. A loud sound has a large amplitude, a high pitched sound has a high frequency. Musicians and ...