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ScienceCalendar

  1. Nov. 25, 1976-Einstein's general theory of relativity proved as Viking 1 spacecraft radio signal to Earth slowed down by Sun's gravity. about 14 hours ago from API
  2. Nov. 24, 1859-Biologist Charles Darwin's book On the Origin of Species by Means of Natural Selection published. Sold out on 1st day. 4:00 PM Nov 23rd from API
  3. Nov. 23, 1869-Birthday of engineer Valdemar Poulsen, invented wire recording, ancestor of tape recorder and the computer hard drive. 4:00 PM Nov 22nd from web
  4. Nov. 22, 1969-Biochemist Jonathan Beckwith announced that he had isolated a single gene from a bacterium. 4:00 PM Nov 21st from web
  5. Nov. 21, 1998-High school students in Massachusetts, announced discovery of Kuiper Belt object about 100 miles in diameter. Named 1998 FS144 4:00 PM Nov 20th from web
  6. Nov. 20, 1889-Birthday of astronomer Edwin Hubble, showed that spiral nebulas are external galaxies outside the Milky Way. 4:00 PM Nov 19th from API
  7. Nov. 19, 1722-Birthday of Leopold Auenbrugger, developed technique of striking chest w/ short sharp taps to diagnose chest disorders. 4:00 PM Nov 18th from API
  8. Nov. 18, 1883-The U.S. introduced four standard time zones, a system which is still in use. 4:00 PM Nov 17th from API
  9. Nov. 17, 1902-Birthday of physicist Eugene Wigner, who wrote "The Unreasonable Effectiveness of Mathematics in the Natural Sciences." 4:00 PM Nov 16th from web
  10. Nov. 16, 1974-The Arecibo radio telescope in Puerto Rico broadcast 1st interstellar message, consisting of 1,679 ones and zeroes. 4:00 PM Nov 15th from API
  11. Nov. 15, 1738-Birthday of astronomer William Herschel, who discovered Uranus. 4:00 PM Nov 14th from web
  12. Nov. 14, 1792-Birthday of Charles Lyell, wrote The Principles of Geology. Showed Earth must be at least several hundred million years old. 4:00 PM Nov 13th from web
  13. Nov. 13, 1971-U.S. spacecraft Mariner 9 became 1st artificial satellite of another planet when it entered orbit around Mars. 4:00 PM Nov 12th from API
  14. Nov. 12, 1842-Birthday of John Strutt, discovered the sky is blue because of scattering of sunlight by nitrogen and oxygen molecules. 4:01 PM Nov 11th from API
  15. Nov. 11, 1862-Birthday of astronomer Vesto Slipher, discovered the spectra of most galaxies are red-shifted. 4:00 PM Nov 10th from API
  16. Nov. 10, 1951-Direct-dial long distance telephone service using 3-digit area codes began in U.S. No more operator-assist. 4:00 PM Nov 9th from API
  17. Nov. 9, 1967-NASA conducted 1st successful test flight of a Saturn 5 rocket. 2 years later it took people to the Moon. 4:00 PM Nov 8th from API
  18. Nov. 8, 1895-Physicist Wilhelm Roentgen discovered X-rays. 4:00 PM Nov 7th from API
  19. Nov. 7, 1867-Birthday of chemist Marie Curie, who together w/ husband Pierre Curie discovered radium, invented the word radioactivity. 4:00 PM Nov 6th from web
  20. Nov. 6, 1572-A supernova appeared in constellation Cassiopeia. Astronomer Tycho Brahe invented the word nova (Latin for new) to refer to it. 4:00 PM Nov 5th from API
  • Name Calendar of Science
  • Location Seattle, WA
  • Web http://www.pacifi...
  • Bio The daily Calendar of Science is a service of Pacific Science Center. Follow @PacSci for more.
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