In space, no one can hear you scream. You may have heard this saying. It’s the tagline from the famous 1979 science fiction movie “Alien.” It’s a scary thought, but is it true? The simple answer is ...

The metamaterial structure the team designed is made of a single linear elastic material. (Courtesy: Yi Chen, KIT) An unusual type of sound wave that can travel backwards in space and has previously ...

Finally, someone can hear you scream in space. Sound waves can’t travel through the vacuum of space, but a pair of physicists in Finland have found a sneaky way to transmit sound across the airless ...

For the first time, scientists have shown that sound can travel through the emptiness of a vacuum. However, the rule-breaking trick requires specific circumstances and can only be carried out over ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...

Sound is not just something we hear—it’s vibration, and vibration interacts directly with the human body at a cellular level.

Have you ever stepped outside on a frigid, quiet morning and heard sounds emanating from somewhere far away? It's not your imagination—cold air really does carry sound farther. Sound begins with ...

In context: Sound waves typically propagate in forward and backward directions. This natural movement is problematic in some situations where unwanted reflections cause interference or reduced ...

So I recently moved into a much larger house with my brother and we are finding that the acoustics are not very good for cohabitation. The ceiling are very high and there is a lot of open space. Sound ...

WHEN IT COMES to cosmic speed limits, light gets all the attention. Its velocity in a vacuum, a tad below 300m metres per second, is an absolute upper bound on how fast anything in the universe can ...

Summer is the season of sound in Chicago: from fireworks to car stereos, the jingle of paleta carts to outdoor concerts. But hearing a concert from over four miles away? That’s exactly what happened ...