Physics instructor writes book on shock waves

A sonic boom and a thunderclap may seem like different phenomena, but their behavior is the same, according to SDState Physics Instructor W. Robert Matson. This is one of the ways he explains shock waves in "Sonic Thunder," ...

Strange sights, sounds could herald California rocket return

The Air Force is warning residents on California's central coast to be prepared for unusual sights and sounds this weekend as SpaceX attempts its first return of a rocket to launch site on the West Coast.

NASA moves to begin historic new era of X-plane research

History is about to repeat itself. There have been periods of time during the past seven decades – some busier than others – when the nation's best minds in aviation designed, built and flew a series of experimental airplanes ...

Fast and loud—how to create sonic booms and curious clouds

Growing up beneath the Concorde flight path, I learned early on that if you heard its characteristic roar overhead you had to look far towards the horizon to see it. If you were lucky, you would see Concorde first. You could ...

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