1906 in science
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Other events of 1906
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1905 in science
1906 in science
1907 in science
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The year 1906 in science and technology included many events, some of which are listed below.
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Chemistry
- Charles Barkla discovers that each element has a characteristic X-ray and that the degree of penetration of these X-rays is related to the atomic weight of the element
- Mikhail Tsvet discovers the chromatography technique for organic compound separation
Geology
- April 18 - The 1906 San Francisco earthquake, an est. 7.9 on the Richter scale and centered on the San Andreas fault, strikes near San Francisco, California. The earthquake and fire destroy over 80% of the buildings in the city, and kill as many as 6,000 people.
- Richard Oldham argues that the Earth has a molten interior
Physics
- Walther Nernst presents a formulation of the third law of thermodynamics
Medicine
- BCG (Bacilli-Calmette-Guerin) immunization for Tuberculosis first developed
- Frederick Hopkins suggests the existence of vitamins and suggests that a lack of vitamins causes scurvy and rickets
Technology
- Reginald Fessenden makes the first radio broadcast: a poetry reading, a violin solo, and a speech.
Awards
Births
- January 11 - Albert Hofmann, chemist
- February 4 - Clyde Tombaugh (d. 1997), astronomer
- April 28 - Kurt Gödel (d. 1978), mathematician
- July 2 - Hans Bethe (d. 2005), Nobel Prize Physicist
- August 19 - Philo T. Farnsworth (d. 1971), television pioneer.
- September 4 - Max Delbrück (d. 1981), biologist.
- November 3 - Carl Benjamin Boyer (d. 1976), historian of mathematics
- November 5 - Fred Lawrence Whipple (d. 2004), American astronomer who coined the term "dirty snowball" to explain the nature of comets.
- December 25 - Ernst Ruska (d. 1988), Nobel Prize Physicist
Deaths
- February 27 - Samuel Pierpont Langley (b. 1834), astronomer.
- March 8 - Henry Baker Tristram (b. 1822), English ornithologist.
- September 5 - Ludwig Boltzmann (b. 1844), Austrian physicist.