1974: Physics

Archives consist of articles that originally appeared in Collier's Year Book (for events of 1997 and earlier) or as monthly updates in Encarta Yearbook (for events of 1998 and later). Because they were published shortly after events occurred, they reflect the information available at that time. Cross references refer to Archive articles of the same year.

Particle physics is being taken apart and put back together in a somewhat different way. That is the general conclusion suggested by the results of recent experiments at the world's new facilities for ultrahigh energy physics. Most important among these new facilities are the Fermi National... ...