Stephen Sekula (steve@chirp.cooleysekula.net)'s status on Wednesday, 02-Aug-2017 17:31:42 UTC
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Stephen Sekula (steve@chirp.cooleysekula.net)'s status on Wednesday, 02-Aug-2017 17:31:42 UTC Stephen Sekula From Twitter https://twitter.com/: The first evidence of antimatter, the positron, was discovered #OnThisDay 1932 by the physicist Carl D. Anderson (Physics 1936) #NobelPrize https://twitter.com/NobelPrize/status/892714793047601152/photo/1 https://chirp.cooleysekula.net/attachment/38023