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   .051 Independent of temperature, not classical
 .054 Planck quantum "act of desperation" to explain high frequency falloff of black body radiation
 .055-7 [[ https://en.wikipedia.org/wiki/Robert_Andrews_Millikan | Robert Millikan ]] tries and fails to disprove Einstein, paper 1916
 .058 Nobel Prizes 1921 Einstein, 1923 Millikan
 .061 [[ https://en.wikipedia.org/wiki/Louis_de_Broglie | Louis de Broglie ]] wave properties of particles, Nobel Prize 1929
 .063 [[ https://en.wikipedia.org/wiki/Clinton_Davisson | Davisson ]] and [[ https://en.wikipedia.org/wiki/Lester_Germer | Germer ]] 1925 experiment, electrons on nickel form nanometer-wavelength interference patterns
 .063 Sandra Eibenberger 2013 [[ https://www.nature.com/articles/ncomms1263 | 10000 amu molecules form 500 femtometer-wavelength interference patterns ]]
 .071 [[ https://en.wikipedia.org/wiki/Griffith_Observatory | Griffith Observatory ]] [[ https://en.wikipedia.org/wiki/Cloud_chamber | Cloud chamber ]], 1936 [[ https://en.wikipedia.org/wiki/Alexander_Langsdorf_Jr. | Alexander Langsdorf ]] design
 .074 [[ https://en.wikipedia.org/wiki/Victor_Francis_Hess | Victor Hess ]] [[ https://en.wikipedia.org/wiki/Cosmic_ray | Cosmic Rays ]] 1936 Nobel
 .075 [[ https://en.wikipedia.org/wiki/Charles_Thomson_Rees_Wilson | Charles Wilson ]] glass blower, cloud chamber, 1927 Nobel
 .079 Magnets, curve measures charge and energy
 .079 [[ https://en.wikipedia.org/wiki/Dmitri_Skobeltsyn | Dmitri Skobeltsyn ]] 5 GeV cosmic rays
 .080 [[ https://en.wikipedia.org/wiki/Carl_David_Anderson | Carl Anderson ]] Caltech cloud chamber, noisy expansion piston, 425 kW magnet
 .081 observed positrons predicted by [[ https://en.wikipedia.org/wiki/Paul_Dirac | Dirac ]]
 .082 Pauli, Bohr, Heisenberg considered Dirac's antimatter nonsense
 .083 [[ https://en.wikipedia.org/wiki/Patrick_Blackett | Blackett ]] and [[ https://en.wikipedia.org/wiki/Giuseppe_Occhialini | Occhialini ]] observe electron/positron pair production
 .083 "Anderson youngest physics Nobel" in 1936 at age 33 ... '''nope,''' [[ https://en.wikipedia.org/wiki/Lawrence_Bragg| William Lawrence Bragg ]] in 1915 at age 25.
 .084 1935 Anderson and [[ https://en.wikipedia.org/wiki/Seth_Neddermeyer | Neddermeyer ]] observe [[ https://en.wikipedia.org/wiki/Muon | muons ]] on [[ https://en.wikipedia.org/wiki/Pikes_Peak | Pike's Peak ]]
 .085 differ from [[ https://en.wikipedia.org/wiki/Hideki_Yukawa | Hideki Yukawa's ]] predicted nucleus-binding [[ https://en.wikipedia.org/wiki/Meson | pi mesons ]]
 .085 [[ https://en.wikipedia.org/wiki/Nuclear_emulsion | nuclear emulsion plate ]] better than cloud chamber
  .086 [[ https://en.wikipedia.org/wiki/Marietta_Blau | Marietta Blau ]]
 .087 [[ https://en.wikipedia.org/wiki/Bibha_Chowdhuri | Bibha Chowdhuri ]] discovers mesons with nuclear emulsion
 .089 1e18 cosmic rays strike every second, 1 GW; Sheeny '''silly''' calculation "3.6 billion kW every hour"
  . actually, 1 cosmic ray is 1 nanojoule, 6 GeV ... not 80,000,000 GeV
 .089 cosmic rays make [[ https://en.wikipedia.org/wiki/Carbon-14 | Carbon-14 ]]
 .090 [[ https://en.wikipedia.org/wiki/Beryllium-10 | Beryllium-10 ]] (half life 1.4MY) ratio to stable ⁹Be dates ice cores and soil deposits
 .090 Australian physicist [[ https://en.wikipedia.org/wiki/Muon_tomography#Precursor_technologies | E. P. George ]] measures rock density above [[ https://en.wikipedia.org/wiki/Snowy_Mountains_Scheme | Snowy Hydro ]] Guthega-Munyang tunnel with cosmic ray muons using a Geiger counter.
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[[ | ]]

The Matter Of Everything

Suzie Sheehy 2023 West Slope Library 539.7 SHEEHY

1984 born Mildura, Victoria, Australia 2006 BS University of Melbourne 2010 PhD University of Oxford 2015 Royal Society University Research Fellow, Oxford

Author website Wikipedia

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TheMatterOfEverything (last edited 2024-05-24 09:37:13 by KeithLofstrom)