Word: bb
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Dates: during 1930-1939
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Electron Microscopes now attract much attention among scientists who want to see ever smaller & smaller things. The magnification of ordinary microscopes is limited by the wave nature of light. Some things are so small that they slip through the meshes of the light rays like BB shot through a tennis net. Instead of a beam of light the electron microscope utilizes a beam of electrons, which have wave lengths thousands of times shorter than visible light but also make impressions on photographic plates...
...bulls-eye was Stephen Brooks '42 of Matthews who was struck in the cheek and slightly injured by a BB shot from an air rifle which caused a panic in the vicinity...
When Addie Belle Barton of Mount Vernon, Ohio was two years old, she was accidentally shot in the eye with a BB gun, became so terrified that she lost her voice for good. At 20, Addie Belle silently conceived and bore an illegitimate child which her mother called Annabelle. Overcome by shame, Addie Belle Barton retreated with Annabelle to a bare bedroom on the first floor of her parents' old frame house. She rarely emerged, often locked the door, kept frisky little Annabelle well hidden from neighbors' prying eyes. Sometimes at night Addie Belle's mother would...
...Steel is one thing that Franklin Roosevelt still considers too costly and he has often remarked that the steel industry will not revive until prices are cut. But steel prices are as stiff as any in the country and this opinion bounced off steelmasters like BB shot off a tank. Last week it seemed that where Franklin Roosevelt had failed to dent their determination, continued bad times might succeed. 2) Building material prices last week hit a new low since 1936. In Franklin Roosevelt's last lecture on prices he remarked that a sharp increase in building costs last...
...waves, and beams of electrons are considered as waves as well as particles. A microscope using visible illumination is limited in magnifying power by the wave length of light. Particles considerably smaller than the wave length escape detection because they slip through the meshes of the light waves like BB shot through a tennis net. But electrons have wave lengths 100,000 times smaller than those of light, and electrons, although they cannot be focused by a lens, can be focused by electric or magnetic fields which act on the electron beam as a lens does on light...