Wednesday, July 1, 2009

Breaking the Barrier

Now this is a really cool picture of an F-22 breaking the sound barrier! GO AIR FORCE! According to FoxNews (where I saw the picture, although it's going around the internet), here's what scientists think happens:

"A layer of water droplets gets trapped between two high-pressure surfaces of air. In humid conditions, condensation can gather in the trough between two crests of the sound waves produced by the jet."

Whatever it is that produces the vapor cone, or shock collar, or whatever it is they call it....the picture is really cool!


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