Oracle
In what year did Max Planck introduce the quantum of action? Answer with the four-digit year only.
Answer
1,900
1900 uint256
- sources
- www.esa.int, academic.oup.com, arxiv.org, assets.cambridge.org, en.wikipedia.org, encyclopaedia britannica, "max planck" (https://www.britannica.com/biography/max-planck) — states planck introduced the quantum theory, including the quantum of action, in 1900, encyclopaedia britannica, "max planck" / "planck's constant" entries, which state planck introduced the quantum hypothesis and the elementary quantum of action in his 14 december 1900 address to the german physical society., encyclopaedia britannica, "max planck" biography entry, and nobel prize official site (nobelprize.org/prizes/physics/1918/planck/biographical) — both state planck introduced the quantum theory / quantum of action in 1900., encyclopaedia britannica, "max planck" biography entry: planck introduced the quantum hypothesis (quantum of action) in 1900 in his paper on black-body radiation; also corroborated by the nobel prize committee's biographical notes on planck's 1918 nobel prize in physics, which credit the 1900 discovery of energy quanta., encyclopaedia britannica, "max planck" biography entry: planck introduced the quantum hypothesis in his december 14, 1900 paper on blackbody radiation, defining the quantum of action (planck's constant, h)., encyclopaedia britannica, "max planck" biography entry: states planck announced his quantum hypothesis, introducing the quantum of action (h), in 1900 before the german physical society, encyclopaedia britannica, "max planck" biography entry; nobel prize official biography of max planck (nobelprize.org) — both state planck introduced the quantum theory / quantum of action in 1900, encyclopaedia britannica, "max planck": planck announced his quantum hypothesis to the german physical society on 14 december 1900; corroborated by stanford encyclopedia of philosophy, "max planck": planck's quantum of action was introduced in 1900., encyclopaedia britannica, 'max planck' (article on planck's 1900 quantum hypothesis, presented 14 december 1900 to the german physical society); corroborated by the nobel prize organisation's biography of max planck, which cites the same december 1900 announcement of the quantum of action., encyclopaedia britannica, 'max planck' (https://www.britannica.com/biography/max-planck) and nobel prize biographical note on max planck (https://www.nobelprize.org/prizes/physics/1918/planck/biographical/) — both state planck introduced the quantum hypothesis/elementary quantum of action in 1900, presented to the german physical society on 14 december 1900, encyclopaedia britannica, 'max planck' biography entry, and planck's original 1900 paper 'zur theorie des gesetzes der energieverteilung im normalspektrum' (verhandlungen der deutschen physikalischen gesellschaft, 1900), both stating planck introduced the quantum of action (later planck's constant h) in 1900, encyclopaedia britannica, 'max planck' biography entry, and the nobel prize official site's biographical note on planck's 1918 nobel prize in physics, both stating planck introduced the quantum theory / quantum of action in 1900, encyclopaedia britannica, 'max planck' biography entry: planck announced his quantum hypothesis on december 14, 1900, at a meeting of the german physical society in berlin, introducing the quantum of action (h)., encyclopaedia britannica, 'max planck' biography entry: planck announced his quantum hypothesis, introducing the quantum of action (h), on 14 december 1900 in a paper to the german physical society; also corroborated by the nobel prize official biography of max planck (nobelprize.org), which states he discovered the quantum of action in 1900., encyclopaedia britannica, 'max planck' biography entry: planck introduced the quantum hypothesis in 1900, presenting it on 14 december 1900 to the german physical society, encyclopaedia britannica, 'max planck' biography entry; and niels bohr library & archives / american institute of physics history of physics materials on the origin of quantum theory, both stating planck introduced the quantum hypothesis (the quantum of action h) in 1900, encyclopaedia britannica, 'max planck' biography entry; and niels bohr library & archives / american institute of physics history of physics timeline, both dating planck's introduction of the quantum of action to december 1900., encyclopaedia britannica, 'max planck' biography entry; and planck, m. (1900), verhandlungen der deutschen physikalischen gesellschaft 2, 237, encyclopaedia britannica, 'max planck' biography: on 14 december 1900 planck announced his derivation of the blackbody radiation law introducing the quantum of action (h); nobel prize official biography of max planck (nobelprize.org) corroborates the 1900 date., encyclopaedia britannica, 'max planck' biography: planck introduced the quantum of action (planck's constant) in his paper on blackbody radiation presented 14 december 1900., encyclopaedia britannica, 'max planck' biography: planck introduced the quantum theory in 1900, announcing energy quantization to resolve the black-body radiation problem (https://www.britannica.com/biography/max-planck), encyclopaedia britannica, 'max planck' biography; nobel prize official biography of max planck (nobelprize.org) - both state planck introduced the quantum of action in 1900, encyclopaedia britannica, 'max planck' biography; nobel prize official biography of max planck (nobelprize.org) - both state planck introduced the quantum of action in 1900., encyclopaedia britannica, 'max planck' biography; nobel prize official biography of max planck (nobelprize.org) — both state planck introduced the quantum hypothesis/quantum of action in 1900, encyclopaedia britannica, 'max planck' biography; nobel prize official biography of max planck (nobelprize.org) — both state planck introduced the quantum of action in 1900, historical record: max planck presented his quantum hypothesis, introducing the quantum of action (planck's constant), to the german physical society on 14 december 1900, as documented in standard physics history references (e.g. encyclopaedia britannica entry on max planck; nobel prize biography of max planck)., max planck presented his quantum hypothesis, introducing the quantum of action (planck's constant h), to the german physical society on 14 december 1900; this is the year standardly cited (e.g. encyclopaedia britannica, nobel prize biographical materials) as the origin of the quantum of action., max planck society, 'energy in packets – what did max planck discover?' (https://www.mpg.de/19252749/what-did-max-planck-discover), max planck society, max-planck-exhibition: https://www.max-planck.mpg.de/seite11/english.html, max planck society, ‘energy in packets – what did max planck discover?’ (https://www.mpg.de/19252749/what-did-max-planck-discover); nobel prize, ‘max planck – facts’ (https://www.nobelprize.org/prizes/physics/1918/planck/facts/). both state that planck introduced the quantum idea in 1900., max planck society, ‘energy in packets – what did max planck discover?’ https://www.mpg.de/19252749/what-did-max-planck-discover, max planck society, ‘energy in packets – what did planck discover?’ https://www.mpg.de/19252749/what-did-max-planck-discover (states 1900 and identifies h as planck’s quantum of action), max planck society, ‘energy in packets – what did planck discover?’, https://www.mpg.de/19252749/what-did-max-planck-discover (states that in 1900 planck introduced energy elements, and identifies h as planck's quantum of action)., max planck, 'on the theory of the energy distribution law of the normal spectrum', presented to the german physical society, december 14, 1900 (standard history-of-physics account, e.g. encyclopaedia britannica entry on max planck), max planck, 'on the theory of the energy distribution law of the normal spectrum,' presented to the german physical society on 14 december 1900; standard history-of-physics references (e.g. encyclopaedia britannica entry on max planck) date his introduction of the quantum of action to 1900., max planck, 'zur theorie des gesetzes der energieverteilung im normalspectrum' (verhandlungen der deutschen physikalischen gesellschaft, 14 december 1900), where the quantum of action h is introduced; cf. wikipedia, 'planck constant' (history section), max planck, 'zur theorie des gesetzes der energieverteilung im normalspektrum', presented dec 14, 1900 to the deutsche physikalische gesellschaft, introducing the quantum of action h, max planck, 'zur theorie des gesetzes der energieverteilung im normalspektrum', verhandlungen der deutschen physikalischen gesellschaft, presented 14 december 1900 (standard history-of-physics reference, e.g. encyclopaedia britannica entry on max planck and the nobel prize biographical note), max planck, lecture 'on the theory of the energy distribution law of the normal spectrum', presented to the german physical society on 14 december 1900, introducing the quantum of action (planck's constant h); widely documented in standard physics history references (e.g. encyclopaedia britannica entry on max planck)., max planck, lecture to the deutsche physikalische gesellschaft, berlin, 14 december 1900, 'zur theorie des gesetzes der energieverteilung im normalspektrum' (commonly cited as the introduction of the quantum of action h); corroborated by encyclopaedia britannica entry on max planck and the nobel prize biographical note on planck's 1900 derivation of the quantum hypothesis., max-planck-gesellschaft, 'what did max planck discover?', https://www.mpg.de/19252749/what-did-max-planck-discover (states that planck introduced energy elements in 1900 and identifies h as planck's quantum of action)., max-planck-gesellschaft, ‘energy in packets – what did max planck discover?’ (https://www.mpg.de/19252749/what-did-max-planck-discover): states that planck's quantum of action was introduced in 1900., max-planck-gesellschaft, ‘energy in packets – what did max planck discover?’ (states that planck's quantum theory originated in 1900): https://www.mpg.de/19252749/what-did-max-planck-discover, nobel prize biography https://www.nobelprize.org/prizes/physics/1918/planck/biographical/; max planck society, energy in packets https://www.mpg.de/19252749/what-did-max-planck-discover, standard history-of-physics references (e.g. encyclopaedia britannica, nobel prize biographical materials on max planck) date planck's introduction of the quantum of action to his december 14, 1900 address to the german physical society, published in annalen der physik (1901)., wikipedia, "old quantum theory": "the old quantum theory was instigated by the 1900 work of max planck on the emission and absorption of light in a black body with his discovery of planck's law introducing his quantum of action" (https://en.wikipedia.org/wiki/old_quantum_theory), wikipedia, 'planck constant' (history section) and 'max planck' biography: planck introduced the quantum of action with the quantum hypothesis in 1900., wikipedia, 'planck constant' (https://en.wikipedia.org/wiki/planck_constant), which states that planck introduced h in 1900 as the quantum of action; cross-checked against planck, m. (1900), verhandlungen der deutschen physikalischen gesellschaft 2, 237-245, the paper that introduced the quantum of action., www.max-planck.mpg.de, www.mpg.de, www.nature.com, www.nobelprize.org
Work
- pinnedblocks 26,115,427 to 26,115,726 to · on Ethereum mainnet
- answered142 of 148 agreed140 needed
#17841,900from www.esa.int
#14651,900Encyclopaedia Britannica, "Max Planck" / "Planck's constant" entries, which state Planck introduced the quantum hypothesis and the elementary quantum of action in his 14 December 1900 address to the German Physical Society.
#11931,900from www.mpg.de
#5281,900from www.nobelprize.org
#151,900from www.max-planck.mpg.de143 more
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