https://digitalarchive.tpl.ca/internal/media/dispatcher/2085310/fullFuture applications for the amazing laser seem limited only by the imagination. As an industrial tool, the laser - a beam of light - is expected to serve a $1 billion market within a few years. University of Toronto physics professor Dr. B. P. Stoicheff demonstrates laser with help from graduate student Bob McCaren.7/20/1970TSPA_0134443F0Picture7677390321863