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December 13, 2014
Shock diamonds
are a formation of standing wave patterns that appears in the supersonic exhaust plume of an aerospace propulsion system, such as a supersonic jet engine, rocket, ramjet, or scramjet, when it is operated in an atmosphere.- - Wikipedia
Posted by gerardvanderleun at December 13, 2014 10:02 AM. This is an entry on the sideblog of American Digest: Check it out.