In recent years there have been a number of modest “tugs” brought online to ferry small satellites to designated orbits. These miniature spacecraft provide so-called last-mile service and are ...
What is the "on the water, real-life" difference between the Orvis Helios D (D=Distance) and the Orvis Helios F (F=Finesse)? I studied all the specs and then read the reviews, which seem to focus on ...
Feb. 5 (UPI) --The U.S. Navy has developed a directed-energy weapon that can intercept unmanned drones and possibly cruise ...
Miguel Iturmendi is taking an electric plane to new heights. Last June, he flew the Helios Horizon plane 16,300 feet over Lake Tahoe, breaking the world altitude record for an electric plane weighing ...
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