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  1. Humans

    From the May 11, 1935, issue

    Falconry in the United States, new 'ears' for anti-aircraft guns, and Albert Einstein's objections to quantum mechanics.

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  2. Amazing Paper Airplanes

    If you want to build paper airplane models of the space shuttle, F-16 Falcon, F/A-18 Hornet, and other aircraft, this page from the American Society of Mechanical Engineers offers plans and folding instructions. For additional designs, see Kyong H. Lee’s “Amazing Paper Airplanes” Web site. Go to: http://www.asme.org/events/flight/paperarchive.shtml?URL=www.asme.org and http://www.amazingpaperairplanes.com/

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  3. 19551

    This article makes the common claim that self-replicating robots could be a boon for clearing minefields. In truth, a complex electronic device simply does not last long in the field.