How far can sound travel through space, since it’s so empty? Is there an echo in space? – Jasmine, age 14, Everson, Washington. In space, no one can hear you scream.

Sound waves can reflect off surfaces. We hear reflected sound as an echo. Hard, smooth surfaces are particularly good at reflecting sound. This is why large, empty rooms produce lots of echoes.

Keywords acoustics, sound waves, refraction, human ear, frequency range, echo, reverberation, sound transmission, electrical technology Email us at [email protected] if you have questions about ...

The film explores the nature of sound waves, demonstrating how sound travels as a wave through air, ... Sound Waves & Acoustics: Echo Chamber Experiments in Slow Motion. Posted: March 9, 2025 ...

NASA released the recording during “Black Hole Week,” spanning May 2-6, 2022. There’s no better way to celebrate than by listening to the haunting echo of a black hole.