5-Physics-Wave-Sound-Echo
echo of sound
Rooms {whispering gallery} can have focal points, where sound focuses {echo}|. Canyons and buildings can echo sound. Echoes work best with low amplitude and high frequency.
echolocation
High-frequency sound can locate objects by echo pattern {echolocation}| {sonar, location}.
Related Topics in Table of Contents
5-Physics-Wave-Sound
Drawings
Drawings
Contents and Indexes of Topics, Names, and Works
Outline of Knowledge Database Home Page
Contents
Glossary
Topic Index
Name Index
Works Index
Searching
Search Form
Database Information, Disclaimer, Privacy Statement, and Rights
Description of Outline of Knowledge Database
Notation
Disclaimer
Copyright Not Claimed
Privacy Statement
References and Bibliography
Consciousness Bibliography
Technical Information
Date Modified: 2022.0225