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J. Marvin Herndon
__NOTOC__ James Marvin Herndon (born 1944) is an American interdisciplinary scientist who earned his BA degree in physics in 1970 from the University of California, San Diego and his Ph.D. degree in nuclear chemistry in 1974 from Texas A&M University. For three years, J. Marvin Herndon was a post-doctoral assistant to Hans Suess and Harold C. Urey in geochemistry and cosmochemistry at the University of California, San Diego. He has been profiled in ''Current Biography'', and dubbed a “maverick geophysicist” by ''The Washington Post''. Theories on Earth Herndon suggested that the composition of the inner core of Earth is nickel silicide; the conventional view is that it is iron–nickel alloy. In 1992, he suggested "georeactor" planetocentric nuclear fission reactors as energy sources for the gas giant outer planets, as the energy source and production mechanism for the geomagnetic field and stellar ignition by nuclear fission. In 2005, Herndon postulated what he calls Expa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
JM Herndon (cropped)
JM may refer to: Places * Jamaica (ISO 3166-1 alpha-2 country code JM) * Jay Em, Wyoming, a community in the United States Businesses and organizations * Jack's Mannequin, a piano rock band * Jama'at al-Jihad al-Islami, an Islamic terrorist group active in Central Asia * Air Jamaica (IATA code JM) * Jaysh Muhammad, an Iraqi insurgency group * Jerónimo Martins, a Portuguese company * Johnson Matthey, a British chemicals and metals company * Joseph Magnin Co. Other uses * A shortened form of James (name), James * Fender Jazzmaster, an American guitar model * ''Juris Master'', a degree similar to the Master of Laws * Just Muslim, a religious denomination {{disambiguation ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |