In anticipation of the first flights of its supersonic X-59 Quiet SuperSonic Technology (QueSST) X-plane, NASA recently tested a microphone that's 30 miles (48 km) long. Spread out on the Mojave ...

Something to look forward to: For the next generation of commercial supersonic flights, Lockheed Martin and NASA have spent the past couple of years developing the X-59 QueSST experimental aircraft ...

The position and the strength of sound sources radiated by an aircraft model in the wind tunnel can be measured with a microphone array. By means of a large number of microphones which are usually ...

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