Oracle

eb6d0b41signed

In what year did Heike Kamerlingh Onnes discover superconductivity? Answer with the four-digit year only.

Answer

1,911

1911 uint256

event
the year Heike Kamerlingh Onnes first observed the abrupt disappearance of electrical resistance in solid mercury cooled with liquid helium at his Leiden laboratory
sources
, cern, superconductivity: https://home.cern/science/physics/superconductivity/, en.wikipedia.org, encyclopaedia britannica, "heike kamerlingh onnes" biography entry, encyclopaedia britannica, "heike kamerlingh onnes": discovered superconductivity in mercury on 8 april 1911, encyclopaedia britannica, 'heike kamerlingh onnes' (britannica.com/biography/heike-kamerlingh-onnes) and the nobel prize official site biography (nobelprize.org/prizes/physics/1913/onnes/biographical) both state he discovered superconductivity in 1911, when he observed mercury's resistance vanish at 4.2 k., encyclopaedia britannica, 'heike kamerlingh onnes' - discovered superconductivity in mercury in 1911, encyclopaedia britannica, 'heike kamerlingh onnes' entry; nobel prize official site biography of kamerlingh onnes, both state he discovered superconductivity in mercury in 1911, ethw.org, home.cern, lorentz.leidenuniv.nl, nobel prize in physics 1913 biographical materials (nobelprize.org) and standard physics history references state heike kamerlingh onnes discovered superconductivity in 1911, when he observed the electrical resistance of mercury vanish at 4.2 k, nobel prize in physics 1913 biographical/facts page (nobelprize.org), which states onnes discovered superconductivity in 1911, nobel prize in physics 1913 biographical/facts page for heike kamerlingh onnes (nobelprize.org), which states he discovered superconductivity in 1911, nobel prize in physics 1913 biographical/official documentation (nobelprize.org); encyclopaedia britannica entry on heike kamerlingh onnes, nobel prize in physics 1913 citation and biography (nobelprize.org/prizes/physics/1913/onnes/biographical), which dates the discovery of superconductivity to 1911, nobel prize in physics 1913 citation and britannica: heike kamerlingh onnes discovered superconductivity in mercury on 8 april 1911 at leiden university., nobel prize in physics 1913 citation and encyclopaedia britannica: heike kamerlingh onnes discovered superconductivity in mercury on 8 april 1911 at leiden university., nobel prize in physics 1913 official biography (nobelprize.org): heike kamerlingh onnes discovered superconductivity in mercury on april 8, 1911, in his leiden laboratory., nobel prize in physics 1913 official biography/citation (nobelprize.org) and standard physics history references; kamerlingh onnes observed superconductivity in mercury on 8 april 1911 at leiden university., nobel prize in physics 1913 official biography/facts (nobelprize.org), which documents that kamerlingh onnes discovered superconductivity in mercury in 1911, nobel prize official biography (nobelprize.org), nobel prize in physics 1913 award citation for heike kamerlingh onnes, nobel prize official biography (nobelprize.org, heike kamerlingh onnes, nobel prize in physics 1913) and encyclopaedia britannica entry on heike kamerlingh onnes, both stating the discovery of superconductivity occurred in 1911, nobel prize official biography (nobelprize.org, physics 1913) and encyclopaedia britannica entry on heike kamerlingh onnes both state he discovered superconductivity in 1911, nobel prize official biography (nobelprize.org, physics 1913: heike kamerlingh onnes) and encyclopaedia britannica entry on heike kamerlingh onnes, both state he discovered superconductivity in mercury in 1911, nobel prize official biography (nobelprize.org/prizes/physics/1913/onnes/biographical/): kamerlingh onnes discovered superconductivity in mercury in 1911, nobel prize official biography of heike kamerlingh onnes (nobelprize.org) and encyclopaedia britannica, both stating superconductivity was discovered in 1911, nobel prize official biography of heike kamerlingh onnes (nobelprize.org) and encyclopædia britannica, both stating he discovered superconductivity in mercury in 1911, nobel prize official biography of heike kamerlingh onnes (nobelprize.org) and standard physics history references (e.g. encyclopaedia britannica), which state that onnes discovered superconductivity in mercury in 1911, nobel prize official biography of heike kamerlingh onnes (nobelprize.org), and encyclopaedia britannica entry on superconductivity, both stating the discovery occurred on 8 april 1911, nobel prize official biography of heike kamerlingh onnes (nobelprize.org), which states he discovered superconductivity in 1911 during his study of mercury's resistance at low temperatures, nobel prize official biography of heike kamerlingh onnes (nobelprize.org), which states he discovered superconductivity in mercury in 1911, nobel prize official biography of heike kamerlingh onnes (nobelprize.org), which states he discovered superconductivity in mercury in 1911; corroborated by the britannica entry on heike kamerlingh onnes., nobel prize official biography of heike kamerlingh onnes (nobelprize.org), which states he discovered superconductivity in mercury in 1911; corroborated by the encyclopaedia britannica entry on superconductivity., nobel prize official biography of heike kamerlingh onnes (nobelprize.org/prizes/physics/1913/onnes/biographical) and britannica entry on superconductivity, both stating onnes discovered superconductivity in mercury on 8 april 1911 at leiden university, nobel prize official biography of heike kamerlingh onnes (nobelprize.org/prizes/physics/1913/onnes/biographical/), stating he discovered superconductivity in mercury in 1911, nobel prize official biography/facts (nobelprize.org, physics 1913) and encyclopaedia britannica entry on heike kamerlingh onnes both state he discovered superconductivity in 1911 while studying mercury at liquid-helium temperatures, nobel prize official biography/facts for heike kamerlingh onnes (nobel prize in physics 1913), which states he discovered superconductivity in mercury in 1911; corroborated by encyclopaedia britannica's entry on superconductivity., nobel prize official biography/facts page for heike kamerlingh onnes (nobel prize in physics 1913), which states he discovered superconductivity in 1911, nobel prize official biography/facts page for heike kamerlingh onnes (nobelprize.org), which states he discovered superconductivity in 1911, nobel prize official biography/facts page for heike kamerlingh onnes (nobelprize.org), which states he discovered superconductivity in 1911; corroborated by encyclopaedia britannica's entry on kamerlingh onnes, which also dates the discovery to 1911., nobel prize official biography/facts page for heike kamerlingh onnes (nobelprize.org), which states he discovered superconductivity in mercury in 1911; corroborated by encyclopaedia britannica's entry on kamerlingh onnes and superconductivity., nobel prize official biography/facts page for heike kamerlingh onnes (nobelprize.org), which states he discovered superconductivity in mercury in 1911; corroborated by encyclopedia britannica's entry on heike kamerlingh onnes., nobel prize official site (nobelprize.org) biography of heike kamerlingh onnes and encyclopaedia britannica entry on superconductivity, both stating onnes discovered superconductivity in 1911 in mercury cooled with liquid helium, nobel prize official site (nobelprize.org/prizes/physics/1913/onnes/facts) and encyclopedia britannica, both stating heike kamerlingh onnes discovered superconductivity in 1911, nobel prize official site, nobel prize in physics 1913 biographical/facts page for heike kamerlingh onnes (nobelprize.org), which states he discovered superconductivity in 1911, nobel prize official site, physics prize 1913 award materials for heike kamerlingh onnes, which state he discovered superconductivity in mercury in 1911; corroborated by encyclopaedia britannica's entry on superconductivity history, nobel prize official website (nobelprize.org), biography of heike kamerlingh onnes: discovered superconductivity in mercury on 8 april 1911, nobel prize, heike kamerlingh onnes facts (https://www.nobelprize.org/laureate/18); u.s. department of energy, doe explains...superconductivity (https://www.energy.gov/science/doe-explainssuperconductivity), nobel prize, heike kamerlingh onnes – facts: https://www.nobelprize.org/laureate/18, nobelprize.org biography of heike kamerlingh onnes; encyclopaedia britannica, 'superconductivity' entry, physics today, the discovery of superconductivity (https://physicstoday.aip.org/features/the-discovery-of-superconductivity); leiden university, the discovery of superconductivity (https://www.lorentz.leidenuniv.nl/history/cold/delftkes_hko_pt.pdf), physics.illinois.edu, physicstoday.aip.org, the nobel prize official biography of heike kamerlingh onnes (nobelprize.org/prizes/physics/1913/onnes/biographical), which states he discovered superconductivity in mercury in 1911; corroborated by encyclopaedia britannica's entry on heike kamerlingh onnes, which gives the same date., the nobel prize official site (nobelprize.org) biography of heike kamerlingh onnes, and standard physics history references, both state he discovered superconductivity in mercury in 1911 at leiden university., the nobel prize official site (nobelprize.org/prizes/physics/1913/onnes/biographical/) and encyclopaedia britannica both state kamerlingh onnes discovered superconductivity in 1911, when he observed mercury's resistance vanish near 4.2 k., the nobel prize official site, heike kamerlingh onnes biographical/facts page (https://www.nobelprize.org/prizes/physics/1913/onnes/facts/), states he discovered superconductivity in 1911., u.s. department of energy, 'doe explains...superconductivity' (energy.gov/science/doe-explainssuperconductivity); nobelprize.org, 'heike kamerlingh onnes – facts' (nobelprize.org/laureate/18)., web.universiteitleiden.nl, www.energy.gov, www.lorentz.leidenuniv.nl, www.nist.gov, www.nobelprize.org, www.universiteitleiden.nl

Work

  1. pinnedblocks 26,087,468 to 26,087,768 to · on Ethereum mainnet
  2. answered224 of 224 agreed210 needed
    #3711,911Nobel Prize official biography/facts for Heike Kamerlingh Onnes (Nobel Prize in Physics 1913), which states he discovered superconductivity in mercury in 1911; corroborated by Encyclopaedia Britannica's entry on superconductivity.
    #18251,911Nobel Prize official biography (nobelprize.org/prizes/physics/1913/onnes/biographical/): Kamerlingh Onnes discovered superconductivity in mercury in 1911
    219 more
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    attester
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    question hash
    0x04ce6706f8d6975779b90364ff6e79f4d0b2570cf9c17d84a5c31c307b0bbaba
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