At the beginning of this year an extreme decadal variation in length of day produces mean solar days having a duration of 86400.00389 seconds of Terrestrial Time (or ephemeris time), the slowest rotation of Earth's crust ever to be recorded.[1]
J. J. Thomson finds the first evidence for multiple isotopes of a stable (non-radioactive) element as part of his exploration into the composition of canal rays (positive ions).[3][4]
June 6 – The Novarupta volcano on the Alaska Peninsula comes into being through a VEI 6 eruption, the largest this century.
Explorationedit
January 17 – British polar explorer Robert Falcon Scott and a team of four reach the South Pole to find that Amundsen has beaten them to it. They will die on the return journey, just eleven miles from a polar base (March 16–29).[11]
^Stephenson, F. R.; Morrison, L. V.; Whitrow, G. J. (1984). "Long-Term Changes in the Rotation of the Earth: 700 B.C. to A.D. 1980" (PDF). Philosophical Transactions of the Royal Society A. 313 (1524). London: 47–70. Bibcode:1984RSPTA.313...47S. doi:10.1098/rsta.1984.0082. ISSN 0080-4614. S2CID 120566848. Retrieved May 24, 2012.
^Just The Facts-Inventions & Discoveries. School Specialty Publishing. 2005.
^Thomson, J. J. (1912). "XIX. Further experiments on positive rays". Philosophical Magazine. Series 6. 24 (140). London: 209–253. doi:10.1080/14786440808637325.
^Thomson, J. J. (1910). "LXXXIII. Rays of positive electricity". Philosophical Magazine. Series 6. 20 (118). London: 752–767. doi:10.1080/14786441008636962.
^Deutsche Reichs Patent no. 281687 (4 July 1913); abstract in Journal of the Society of Chemical Industry (London) 34 (1915) p. 623.
^Bernschneider-Reif, S.; Oxler, F.; Freudenmann, R. W. (2006). "The Origin of MDMA ("Ecstasy") – Separating the Facts From the Myths". Die Pharmazie. 61 (11): 966–972. PMID 17152992.
^Firma E. Merck in Darmstadt (May 16, 1914). "German Patent 274350: Verfahren zur Darstellung von Alkyloxyaryl-, Dialkyloxyaryl- und Alkylendioxyarylaminopropanen bzw. deren am Stickstoff monoalkylierten Derivaten". Kaiserliches Patentamt. Retrieved April 12, 2009.
^Firma E. Merck in Darmstadt (October 15, 1914). "German Patent 279194: Verfahren zur Darstellung von Hydrastinin Derivaten". Kaiserliches Patentamt. Retrieved April 12, 2009.
^Wegener, Alfred (January 6, 1912). "Die Herausbildung der Grossformen der Erdrinde (Kontinente und Ozeane), auf geophysikalischer Grundlage". Petermanns Geographische Mitteilungen. 63: 185–195, 253–256, 305–309.
^Demhardt, Imre Josef (2005). "Alfred Wegener's Hypothesis on Continental Drift and Its Discussion in Petermanns Geographische Mitteilungen (1912–1942)" (PDF). Polarforschung. 75: 29–35. Retrieved April 18, 2011.
^ abcPenguin Pocket On This Day. Penguin Reference Library. 2006. ISBN 978-0-14-102715-9.
^Hashimoto, H. (1912). "Zur Kenntnis der lymphomatösen Veränderung der Schilddrüse (Struma lymphomatosa)". Archiv für Klinische Chirurgie (in German). 97: 219–248.
^"ThyssenKrupp Nirosta: History". Archived from the original on September 2, 2007. Retrieved August 13, 2007.
^Carlisle, Rodney P. (2004). Scientific American Inventions and Discoveries. John Wiley and Sons. p. 380. ISBN 978-0-471-24410-3. Retrieved September 3, 2011. Elwood Haynes 1919 patent number.
^Brooks, John (2003). "The Admiralty Fire Control Tables". Warship: 69–93.
^Blom, Philipp (2008). The Vertigo Years: Change and Culture in the West, 1900-1914. Toronto: McClelland & Stewart. p. 334. ISBN 978-0-7710-1630-1.
^"These Nobel Prize Winners Weren't Always Noble". National Geographic News. October 6, 2015. Archived from the original on August 8, 2020. Retrieved January 19, 2021.