This image was acquired from
flickr. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
C This small model is one of several designs used in sonic boom studies conducted in the ASWT during the s. The models were mounted on long stings and strategically placed microphones detected the overpressure that humans hear as double boom when planes fly past faster than Mach . These studies have suggested ways to soften the