POSITRON NYT Crossword Clues
Date
Grid
Clue
Author
Editor
Sun, Aug 27, 2017
76A
Antiparticle first observed in 1929
Jeff Chen
Shortz
Fri, Jan 18, 2008
34D
Beta decay emission, sometimes
Trip Payne
Shortz
Wed, Aug 31, 1994
10D
Physics particle
Christopher Hurt
Shortz