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| NEWSLETTER - AUGUST 11 | |
| Before you look at today's web page, see if you can answer some of these questions about the events that happened on August 11. 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. | |
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| Quotations for Today | |
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| QUIZ | |
| Births | |
| Tom Kilburn, born 11 Aug 1921, was a British electrical engineer who wrote the computer program used to test the first stored-program computer, the Small-Scale Experimental Machine, SSEM, also known as "The Baby." It successfully tested a memory system developed at Manchester University in England. This system was the first that could store programs, whereas previous electronic computers had to be rewired to execute each new problem. On what was Kilburn's memory system based (though soon replaced)? | |
| Christiaan Eijkman, born 11 Aug 1858, was a Dutch scientist, who demonstration that beriberi is caused by poor diet led to the discovery of vitamins. He investigated beriberi in the Dutch East Indies in 1886. Eijkman discovered by accident that a certain change in diet for his laboratory chickens produced a disease resembling beriberi in human beings. Can you tell the story involving the chickens and their rice food that led to this discovery? | |
| Deaths | |
| A Scottish-born U.S. steel industrialist (1835-1919) was a philanthropist, benefactor to education and built over 1700 public libraries. Can you name this industrialist? | |
| Events | |
| On 11 Aug 1877, the American astronomer Asaph Hall discovered the two moons of Mars, which he named. What names did he gives these moons? | |
| On 11 Aug 1909, the liner, Arapahoe, was the first ship to use a new, standard international radio distress call when it found itself in trouble off Cape Hatteras, NC. What was this new distress signal? | |
| 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 11 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 10: A method of separating chemically similar charged colloids - an electrical field is applied to the sample, and particles with different sizes migrate at different rates to the pole of opposite charge; Monopoly; Robert Hutchings Goddard; Smithsonian Institution; the century including the year 1675. | |
| Feedback | |
| If you enjoy this newsletter, the website, or wish to offer encouragement or ideas, please write. |
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