NASA X-59 Supersonic jet makes progress

NASA’s experimental X-59 quiet supersonic jet plane is planned for a real world test flight by the end of 2022! There loud sonic booms caused by supersonic planes of the past, like the Concorde, were a factor in mass adoption. https://www.devdiscourse.com/article/technology/2127915-nasas-quiet-supersonic-x-59-aircraft-continues-to-make-progress-on-its-way-to-first-flight