In This Issue
by Paul B. MacCready
An innovative solar-powered car was created and built in just eight months; one of Sunraycer's creators describes its genesis and its victory in a race across Australia.
Scientists may find the top quark at LEP, an accelerator under construction at CERN.
Remembrances of Kurt Gödel
by Olga Taussky-Todd
A Caltech mathematician recalls the late 1920s and early 1930s at the University of Vienna, when her friend and fellow student proved undecidability.
Star Wars Technology: Will It Work?
by Amnon Yariv
Conclusions of the American Physical Society's study group on directed-energy weapons are explained by a member of that committee.
Research in Progress