Word: tails
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Dates: during 1940-1949
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...Becasue its square-tipped wings and tail surfaces resembled those of the crack German Meserschmitt 109, the Mustang suffered a painful indignity on its first sweeps across the Channel: German AA gunners held their fire, but the British let go with everything they...
...Nazis' secret weapon is a huge gun which fires massive air bombs (about 40 ft. long, 4 ft. thick), each one twice the length and thickness of a submarine's torpedo. Five or seven rocket installations in the tail keep the projectile going, outer rockets firing in pairs after a large central one has burned out. It is guided to its target by radio, and causes a tremendous explosion when it hits. The rocket gun even has a name: Urania...
Hunting a distant target with sunbeams reflected from an ordinary mirror is a good deal like trying to pin the tail on the donkey. This glass has a full mirror on its face, a smaller circular mirror on its back, and a sighting cross (A) in the center. To aim it, the signaler faces the mirror toward a point about halfway between the target (the plane) and the sun, and sights the target through the cross. The sun, shining through the sight, makes a cross-shaped spot of light (B) on the signaler's hand. When the mirror...
...Stinker, Chiseler!" At first Arpad was an ordinary rooster, with abundant tail feathers. To give the bird distinction, Pause defeathered him gradually, removing a little more tail each time Arpad appeared (usually only once a week) and adding clothes as he did so. It took six months, but not a reader noticed...
Hillier's analyzer, like the electron microscope, does its job by bombarding a substance with electrons. It has an electron "needle" of extremely fine focus. Hillier first lines up his minute target (such as the head or tail of a virus) by means of the microscope, then needles it with an electron stream of some 50,000 volts. This dislodges electrons from the atoms in the target. Since the energy required to dislodge them varies with the kind of atoms present, the loss of energy in the bombarding electrons after they pass through the substance indicates the nature...