From Wikipedia, the free encyclopedia
Lydmuren er en barriere, som man indtil 1947 troede,[1] at fly ikke kunne overvinde den forøgede luftmodstand, der opstår ved hastigheder tæt på lydens hastighed.
Seamless Wikipedia browsing. On steroids.
Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface.
Wikiwand extension is a five stars, simple, with minimum permission required to keep your browsing private, safe and transparent.