(YouTube link) American daredevil Jeb Corliss became the first man in a wingsuit to fly in China, and flew right through a natural arch at Tianenman mountain in Hunan Province. The action starts about one minute int...
https://www.neatorama.com/2011/09/26/wingsuited-man-flies-through-a-mountain/
Wingsuited Man Flies Through a Mountain...
Unmanned Glider May Hold Secret To Perpetual Flight
Engineers from the Australian Centre for Field... ...in Sydney are working on an autopilot system for gliders that senses thermals and adjusts its course, util... ...with the technique of dynamic soaring, where the glider flies between high and lower speed air currents t...
https://www.neatorama.com/2011/07/05/unmanned-glider-may-hold-secret-to-perpetual-flight/
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