Speed of sound

Download this free illustration of Light Shining Blue from Pixabay's vast library of royalty-free stock images, videos and music.

In this cool sound resonance experiment, learn about frequency and pitch, and use a tuning fork to calculate sound velocity in air.

A Research Guide to assist students in their Nobel Laureate Project.

When we talk about the speed of sound, we usually mean how fast it moves through air. But it can travel much faster through other media, and now scientists at the University of Cambridge have identified the absolute top speed of sound.

Officials in the South Korean capital Seoul hope the near-supersonic mode of transport will be able to travel more than 620mph - drastically reducing journey times in the country.

The Doppler effect is the change in frequency of a wave as its source moves relative to the observer. The same effect that causes the change in pitch of a…

How fast does sound travel? Help your child figure out the physics of sound waves with this informative worksheet.

Physicists propose a new maximum rate that sound waves can travel under conditions normally found on Earth — 36 kilometers per second.

Learn how to soundproof a ceiling effectively with our comprehensive guide. Reduce noise and improve your home's acoustics with expert tips and techniques.