= Giuseppe Occhialini
{c}
{tag=Physicist}
{title2=1907–1993}
{wiki}
= Giuseppe Paolo Stanislao Occhialini
{c}
{synonym}
= G. P. S. Occhialini
{c}
{synonym}
= Giuseppe P. S. Occhialini
{c}
{synonym}
<Giuseppe Occhialini> and <Patrick Blackett> combined electronic counters with a <cloud chamber> to photograph rare penetrating-radiation events. A coincidence signal selected moments when a particle crossed the apparatus, greatly improving the yield over unselected expansions. The resulting magnetic-field photographs recorded groups of tracks and evidence for light positive particles. The method connected fast electronic selection with a detailed image that could be examined after the event.<Some Photographs of the Tracks of Penetrating Radiation by Patrick Maynard Stuart Blackett and Giuseppe Paolo Stanislao Occhialini>[1933, counter-controlled cloud chamber and charged-track photographs]{ref}
A <physicist>.https://www.fisica.unimib.it/it/dipartimento/beppo-occhialini[Independent professional profile]{ref}
\Image[https://commons.wikimedia.org/wiki/Special:Redirect/file/Occhialini.jpg?width=260]
{title=Portrait of <Giuseppe Occhialini>}
{description=Unknown author; source Università degli Studi di Milano-Bicocca (unimib.it), Giuseppe Occhialini: dagli atomi alle stelle. Public domain (PD-anon-70-EU). https://commons.wikimedia.org/wiki/File:Occhialini.jpg#Licensing[Source usage terms], via Wikimedia Commons.}
{source=https://commons.wikimedia.org/wiki/File:Occhialini.jpg}
{width=260}
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