Sonic black hole
id:
sonic-black-hole-209-1916543
title:
Sonic black hole
text:
A sonic black hole, sometimes called a dumb hole or acoustic black hole, is a phenomenon in which phonons are unable to escape from a region of a fluid that is flowing more quickly than the local speed of sound. They are called sonic, or acoustic, black holes because these trapped phonons are analogous to light in astrophysical (gravitational) black holes. Physicists are interested in them because they have many properties similar to astrophysical black holes and, in particular, emit a phononic
brand slug:
wiki
category slug:
encyclopedia
description:
Acoustic analogue of a black hole in which sound plays the role of light
original url:
https://en.wikipedia.org/wiki/Sonic_black_hole
date created:
2006-10-19T19:59:27Z
date modified:
2024-09-11T12:37:44Z
main entity:
{"identifier":"Q2254125","url":"https://www.wikidata.org/entity/Q2254125"}
image:
fields total:
13
integrity:
15