Way cool sonic boom!

I haven’t talked physics in a long time, so now’s as good a time as any.

The video below is a demonstration of sonic booms.  It is really nice, and shows some condensation clouds created by planes nearing the speed of sound.  Folks of seen this before.

One additional neat thing:  the video shows that as light enters the pressure wave, and refracts, one can see an effect similar in many ways to a desert mirage … except that it will move away from the aircraft along with the wave.  It is at the end of the video, and I thought it was pretty cool!



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