Learn how sounds are made with these interactive learning resources for KS2 Science students aged 7-11 from BBC Bitesize. ... Sound travels around four times faster in water than in air.

Headphones all sound different because they’re all made to convert sound data into vibrations a little bit differently. Human ...

Just through the sound, we could tell who made it,” Guoqin Liu, another author of the study, said. More about Pop University of Mississippi Cornell University. Join our commenting forum.

You've probably heard of active noise-canceling headphones, but what do they do and how do they work? Give us a few minutes and we'll make you an expert.