Uranium radiation explained by Rutherford (19 words)
Historical Context Note
Ernest Rutherford (1871-1937) discovers that uranium radiation is composed of positively charged alpha particles and negatively charged beta particles.
Editors. "Uranium radiation explained by Rutherford". The Literary Encyclopedia. First published 01 May 2009
[http://www.litencyc.com/php/stopics.php?rec=true&UID=6384, accessed 23 October 2016.]