What is the volume of sound? Sounds are vibrations that travel through the air. A weak vibration doesn't travel very far. Discover more about volume. All about light Learn how light travels and ...

An animated sequence that describes how sounds occur when objects vibrate. The clip illustrates the route sound waves take through the air to our ears, causing messages to be sent to our brains as ...

Light and Sound show at Delhi: The Red Fort in Delhi was the first place in Asia to start the sound and light show. The show at Red Fort is entertaining as it reenacts Delhi’s 5000 year history ...