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| NEWSLETTER - AUGUST 20 |
| Before you look at today's web page, see if you can answer some of these questions about the events that happened on August 20. Some of the names are very familiar. Others will likely stump you. Tickle your curiosity with these questions, then check your answers on today's web page. |
| Births |
| Valentin Petrovich Glushko, born 20 Aug 1908 was a Soviet rocket scientist, a pioneer in rocket propulsion systems, and a major contributor to Soviet space and defense technology. He worked with renowned rocket designer Sergey Korolyov from 1932 to 1966. The two had a triumphant year in 1957, when they launched the first intercontinental ballistic missile in August and sent the first artificial satellite into orbit in October. What was the name of this satellite? |
| Werner Forssmann, Eduard Suess and Jöns Jacob Berzelius were each born on 20 Aug, though in different years. Not in the same order, they were notable for postulating the existence of the giant land mass Gondwanaland, the development of cardiac catheterization, and the development of modern chemical symbols (such as Fe). Can you match each scientist to his claim to fame? |
| Deaths |
| Sir Fred Hoyle (1915-2001) coined the term "Big Bang." Can you describe the theory of the universe he believed in? |
| Percy Williams Bridgman (1882-1961) was an American experimental physicist noted for his studies of materials at high temperatures and pressures. He was awarded the Nobel Prize for Physics in 1946 for his "invention of an apparatus to produce extremely high pressures. To the nearest power of ten, how many atmospheres of pressure was he eventually able to produce? |
| Events |
| On 20 Aug 1977, NASA launched "Voyager Two," an unmanned spacecraft towards Jupiter, Saturn, Uranus & Neptune. It carried a 12-inch copper phonograph record. What did the recording contain? |
| On 20 Aug of a certain year, the first demonstration telecast of home television in the U.S. was received in New York City. A half-hour program was hosted by the cartoonist Harry Hirschfeld, and demonstrated on screens placed in a store in the Hotel Ansonia, the Hearst building, and a home at 98 Riverside Drive. The signal travelled about six miles, the greatest distance for TV transmission to date. In what decade did this TV demonstration take place? |
| Answers |
| When you have your answers ready to all the questions above, you'll find all the information to check them, and more, on the August 20 web page of Today in Science History. Or, try this link first for just the brief answers. |
| Fast answers for the previous newsletter for August 19: Philco; Greenwich Observatory; James Watt; all of them; two dogs; daguerreotype. |
| Feedback |
| If you enjoy this newsletter, the website, or wish to offer encouragement or ideas, please write. |
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