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An echo is a reflected sound that reaches your ear a noticeable time after the original sound is made, and the length of that delay depends on how far away the surface reflecting the sound is located. Echoes matter because understanding them helps us comprehend how sound behaves in different spaces, from natural settings like wells to buildings and rooms.
AI-generated from the Wikipedia summary — may contain errors.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).
via Wikidata sitelinks · CC0