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… Scanning electron microscopes and other technologies can produce imagery of microscopic subjects up to a certain size, … most of these extinct animals existed before cameras were invented, and the recorded information or drawings of these … illustrators collaborate with scientists and physicians to produce effective artwork that can be used to educate the …
… Introduction From an early age, George Ellery Hale was … of the American Astronomical Society. Exciting and Productive The Yerkes Observatory 40-inch telescope … created. The work begun at Mount Wilson was exciting and productive. Matching astronomy and physics to build …
… Introduction The world's first computer was built under … it completed an electrical circuit, and the electricity produced drove the computer. Hollerith's machine enabled the … called “computers”, and it took them more than a month to produce a complete firing table. The Scramble for Army …
… Introduction Though he described himself as a "mathematical … much about the meaning of their questions and failing to produce responses as quickly as his peers. At home, Albert … twice and had three children. All three children were a product of his relationship with Mileva Maric, whom he …