This is a classic article from New Scientist’s archive, republished as part of our 50th anniversary celebrations
PHYSICISTS were shaken but excited a few months ago when two American theoreticians, Professors T. D. Lee and C. N. Yang, suggested that in certain cases parity in elementary particle interactions was not conserved. Experimental confirmation soon followed and a number of investigations were started to provide a theoretical basis for the new results. The first showing some successful conclusion is by Lee and Yang, the original iconoclasts (Physical Review, vol 105, p 1671). Independently, L. Landan in Moscow and A. Salam…
