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"I Think After All These Years I Finally Accepted That Comics is Actually my Calling": Talking with Jay Stephens tcj.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from tcj.com Daily Mail and Mail on Sunday newspapers.
Ground-mounted microphones would pick up ultralow-frequency sound waves produced by clear-air turbulence, the leading cause of inflight injuries and fatalities ....
12 April 2021 The HiDRON stratospheric glider, a joint project between UAVOS and STRATODYNAMICS, has successfully carried out its regular test flight. UAVOS’ operators launched the stratospheric aircraft from a high-altitude balloon carrying a technology supported by NASA’s Flight Opportunities program successfully deploying an experimental payload to 24 km altitude and back. Extensive testing was performed to test operation in high altitude flight regimes utilizing UAVOS’ autopilot system and payload test services. A launch routine was tested allowing a safe transition from free-fall to stable horizontal flight in thin air after being dropped from the balloon. UAVOS’ autopilot system has once again proven its superior long-range performance Beyond Visual Line of Sight (BVLOS) capabilities. ....
1 April 2021 Whether it’s in the wake vortex of airplanes taking off or in seemingly calm air, there are few issues more meddlesome to flight than turbulence. Not only can these “horizontal tornadoes” make air travel uncomfortable and possibly dangerous, but attempts to avoid them can consume large amounts of fuel. Researchers at NASA have developed technology to find these zones, and with some engineering ingenuity, they could revolutionize both flight planning and aeronautical research. Not Your Typical Microphone Everything in the atmosphere can make a sound. Volcanoes rumble, waterfalls crash, and air rushes, but there’s more to that sound than what our ears perceive. Much like how infrared light consists of frequencies that aren’t visible to the naked eye, there’s an audio analogue called infrasound. Infrasound consists of pitches too low to be heard by the human ear, between 0.001 and 20 hertz. ....
NASA's Infrasound Microphone Detects "Clear-Air" Turbulence Hundreds of Miles Away allaboutcircuits.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from allaboutcircuits.com Daily Mail and Mail on Sunday newspapers.