Oracle
Who discovered radioactivity in 1896? Answer with the surname only.
Answer
Becquerel
- sources
- www.nobelprize.org, ahf.nuclearmuseum.org, american physical society, ‘march 1, 1896: henri becquerel discovers radioactivity’ (https://www.aps.org/apsnews/2008/02/becquerel-discovers-radioactivity); national museum of nuclear science & history, henri becquerel (https://ahf.nuclearmuseum.org/ahf/profile/henri-becquerel/)., american physical society, ‘march 1, 1896: henri becquerel discovers radioactivity’ (https://www.aps.org/apsnews/2008/02/becquerel-discovers-radioactivity); national museum of nuclear science & history, ‘henri becquerel’ (https://ahf.nuclearmuseum.org/ahf/profile/henri-becquerel/)., american physical society, ‘march 2008: becquerel discovers radioactivity’ — https://www.aps.org/apsnews/2008/02/becquerel-discovers-radioactivity, aps, physics history: march 2008, 'becquerel discovers radioactivity' (https://www.aps.org/apsnews/2008/02/becquerel-discovers-radioactivity), en.wikipedia.org, encyclopaedia britannica and the nobel prize official archives, both of which credit henri becquerel with the 1896 discovery of radioactivity, encyclopaedia britannica entry on henri becquerel, who discovered radioactivity in 1896 while investigating uranium salts' phosphorescence, encyclopaedia britannica, "henri becquerel" (https://www.britannica.com/biography/antoine-henri-becquerel) — henri becquerel discovered radioactivity in 1896 while investigating phosphorescence in uranium salts., encyclopaedia britannica, "henri becquerel" - https://www.britannica.com/biography/antoine-henri-becquerel: states becquerel discovered radioactivity in 1896 while investigating uranium salts' phosphorescence., encyclopaedia britannica, "henri becquerel" and nobel prize official records (nobelprize.org), both stating henri becquerel discovered radioactivity in 1896, encyclopaedia britannica, "henri becquerel" entry: antoine henri becquerel discovered radioactivity in 1896 while investigating phosphorescence in uranium salts., encyclopaedia britannica, "henri becquerel" entry: henri becquerel discovered radioactivity in 1896 while investigating phosphorescence in uranium salts, for which he shared the 1903 nobel prize in physics with pierre and marie curie., encyclopaedia britannica, "henri becquerel": antoine henri becquerel discovered radioactivity in 1896 while investigating phosphorescence in uranium salts., encyclopaedia britannica, "henri becquerel": becquerel discovered radioactivity in 1896 while investigating phosphorescence in uranium salts, observing that they emitted penetrating radiation that fogged photographic plates without any external excitation., encyclopaedia britannica, 'henri becquerel' (britannica.com/biography/antoine-henri-becquerel) — states becquerel discovered radioactivity in 1896 while studying uranium salts' effect on photographic plates; corroborated by nobel prize official site (nobelprize.org/prizes/physics/1903/becquerel/facts/), which credits becquerel's 1896 discovery of spontaneous radioactivity., encyclopaedia britannica, 'henri becquerel' (https://www.britannica.com/biography/antoine-henri-becquerel) and the nobel prize official site biography of henri becquerel (https://www.nobelprize.org/prizes/physics/1903/becquerel/biographical/), both stating becquerel discovered radioactivity in 1896 while investigating uranium salts., encyclopaedia britannica, 'henri becquerel' (https://www.britannica.com/biography/antoine-henri-becquerel) and the nobel prize official site biography of henri becquerel (https://www.nobelprize.org/prizes/physics/1903/becquerel/biographical/), both stating henri becquerel discovered radioactivity in 1896 while investigating phosphorescent uranium salts., encyclopaedia britannica, 'henri becquerel' (https://www.britannica.com/biography/antoine-henri-becquerel) and the nobel prize official site biography of henri becquerel, 1903 nobel prize in physics (https://www.nobelprize.org/prizes/physics/1903/becquerel/biographical/), both stating he discovered radioactivity in 1896, encyclopaedia britannica, 'henri becquerel' (https://www.britannica.com/biography/antoine-henri-becquerel) — states becquerel discovered radioactivity in 1896 while investigating phosphorescence in uranium salts, independent of the nobel prize in physics 1903 citation (nobelprize.org) which credits becquerel for this discovery., encyclopaedia britannica, 'henri becquerel' (https://www.britannica.com/biography/antoine-henri-becquerel): henri becquerel discovered radioactivity in 1896 while investigating phosphorescence in uranium salts., encyclopaedia britannica, 'henri becquerel' (https://www.britannica.com/biography/antoine-henri-becquerel): henri becquerel discovered radioactivity in 1896 while studying uranium salts' effect on photographic plates., encyclopaedia britannica, 'henri becquerel' entry: becquerel discovered radioactivity in 1896 while investigating phosphorescence in uranium salts, observing that they emitted radiation capable of fogging photographic plates without external excitation., encyclopaedia britannica, 'henri becquerel' entry: becquerel discovered radioactivity in 1896 while investigating the fluorescence of uranium salts, for which he shared the 1903 nobel prize in physics with pierre and marie curie., encyclopaedia britannica, 'henri becquerel' entry: becquerel discovered radioactivity in 1896 while investigating uranium salts' phosphorescence., encyclopaedia britannica, 'henri becquerel' entry: becquerel discovered radioactivity in 1896 while studying uranium salts' phosphorescence, observing that they fogged a photographic plate without any external light source., encyclopaedia britannica, 'henri becquerel' entry: henri becquerel discovered radioactivity in 1896 while investigating phosphorescence in uranium salts., encyclopaedia britannica, 'henri becquerel' entry; widely documented history-of-science fact that antoine henri becquerel discovered radioactivity in 1896 while investigating phosphorescence in uranium salts., encyclopaedia britannica, 'henri becquerel', https://www.britannica.com/biography/antoine-henri-becquerel — states henri becquerel discovered radioactivity in 1896 while investigating phosphorescence in uranium salts., henri becquerel discovered radioactivity in 1896 while studying phosphorescent uranium salts (encyclopaedia britannica, 'henri becquerel'; nobel prize official biography, nobelprize.org/prizes/physics/1903/becquerel/biographical/)., historical consensus (e.g. encyclopaedia britannica, nobel prize biographical materials): henri becquerel discovered radioactivity in 1896 while investigating phosphorescent uranium salts., historical consensus (e.g. encyclopaedia britannica, nobel prize organization): henri becquerel discovered radioactivity in 1896 while investigating phosphorescence in uranium salts., lawrence berkeley national laboratory, the discovery of radioactivity: https://www2.lbl.gov/nsd/education/abc/wallchart/chapters/03/4.html, musee.curie.fr, nobel prize, 'antoine henri becquerel – facts' (https://www.nobelprize.org/prizes/physics/1903/becquerel/facts/): describes becquerel's 1896 investigation and discovery of spontaneously emitted penetrating radiation., nobelprize.org, henri becquerel – biographical: https://www.nobelprize.org/prizes/physics/1903/becquerel/biographical/, nobelprize.org, henri becquerel – biographical: https://www.nobelprize.org/prizes/physics/1903/becquerel/biographical/?print=1, nobelprize.org, the nobel prize in physics 1901-2000: https://www.nobelprize.org/prizes/themes/the-nobel-prize-in-physics-1901-2000/, nobelprize.org, the nobel prizes in physics 1901-2000: https://www.nobelprize.org/prizes/themes/the-nobel-prize-in-physics-1901-2000/, the atomic heritage foundation's nuclear museum, henri becquerel: https://ahf.nuclearmuseum.org/ahf/profile/henri-becquerel/, timeline.web.cern.ch, www.aps.org, www.britannica.com, www.cea.fr, www.energy.gov, www.nature.com, www2.lbl.gov
Work
- pinnedblocks 26,101,584 to 26,101,883 to · on Ethereum mainnet
- answered148 of 149 agreed140 needed
#721Becquerelfrom www.nobelprize.org
#1846Becquerelfrom www.aps.org
#846Becquerelfrom www.nobelprize.org
#108Becquerelfrom ahf.nuclearmuseum.org
#7Becquerelfrom www.nobelprize.org144 more
- signed
by the attester 0x5598…2982expired
Checking the signature in this browser.
- typed data
- the exact bytes a consumer verifies, as JSON
- attester
- 0x5598aa9146215bc13eb26f2c692ad1461fd32982
- signature
- 0x50c41548b1ace61a6ea94d3f96faa5e1e8855c177876be2dc67ec3e9d2d70de171bc019ab5586baeae2e65e00f68aa5de3f500109ddc1bf79c8c3ccb56ef6b471c
- signed panel
- 148 agreed · quorum 140 · 200 seats
- question hash
- 0x14f8a45aa59bf515d179e369f20b29890ccf8c400644beacaff5280f80c9e288
- answer type
- bytes32
- consumer
- none named; signed for the zero address