 | TODAY IN SCIENCE HISTORY NEWSLETTER - 26 JULY |
| Feature for Today |
 On 26 July 1932, Francis Edward Elmore died, a British technologist who, with his brother Alexander, jointly developed an ingenious yet simple process to separate valuable ore, such as copper, from the worthless rock—even when the metal content is low. This description is a short read, and may give you insight into something you may not have been aware of before, namely, how is the metal economically extracted from a pile of rock? More details are in Elmore's 1898 patent. |
| Book of the Day | |
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| Quotations for Today | |
 | "I compare arithmetic with a tree that unfolds upwards in a multitude of techniques and theorems while the root drives into the depths." - Gottlob Frege, German mathematician and logician (died 26 Jul 1925)  |
 | "I am visible to Google. I link therefore I am." - William A. Mitchell, American inventor (died 26 Jul 2004) |
 | "Complexes are psychic contents which are outside the control of the conscious mind. They have been split off from consciousness and lead a separate existence in the unconscious, being at all times ready to hinder or to reinforce the conscious intentions. " - Swiss psychiatrist and psychologist, in the quiz below (born 26 Jul 1875) |
| QUIZ | |
| Before you look at today's web page, see if you can answer some of these questions about the events that happened on this day. 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 | |
 |  Paul Walden, born 26 Jul 1863, was a Russian-German chemist who was teaching at Riga when he discovered the famous Walden inversion of malic acid, by which two varieties of the malic acid molecule could be formed.. How were these two forms detected? |
| | A Swiss psychologist, born 26 Jul 1875, met and collaborated with Freud in Vienna in (1907-13), but then developed his own theories, which he called "analytical psychology." He is known as he "father" of psychoanalysis, and his work has been influential in psychiatry.Can you name this man? |
| Deaths | |
 |  Kunihiko Kodaira (1915-1997) was awarded the Fields Medal in 1954 for his work.In what field is this prize awarded? |
| Events | |
 |  On 26 Jul 1969, scientists had their first look at the rocks that Apollo 11 astronauts brought back from the moon. A "rock box" was opened for the first time in the Vacuum Laboratory of the Manned Spacecraft Center's Lunar Receiving Laboratory.What was the weight of all the moon rock samples brought back by Apollo 11? |
| 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 July 26 web page of Today in Science History. Or, try this link first for just the brief answers. Fast answers for the previous newsletter for July 25: Rosalind Franklin; polybutadiene; Charles Macintosh; gyroscope; the decade including the year 1958; The judge determined the fine, but the amount should have been set by the jury, and although the verdict was thus overturned the state law was not repealed until 42 years later; France to England. |
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