Show I LASER ERASER DEVELOPED BY BELL FIRM FIRMA A device has been developed at the Bell Telephone Laboratories Laboratories Labora Labora- tories torie s which could be the biggest bigge st boon to secretaries since Short Short- hand Called the Laser Eraser the invention is capable of vaporizing ing lag ink with one blast without damaging the paper Plans Flans call for the invention to be marketed marketed marketed mar mar- when it is more mor refined When the Laser was first dis discovered covered by three Bell scientists in 1960 it was thought the new light would be used pr primarily primarily marily for telephone It uses are broadening broadening broaden broaden- ing however Medicine is developing uses for the Laser in bloodless sur sur- gery The beam has been used to weld detached retinas inside the human eye It is also possible possible possible pos pos- sible by using the Laser in surgery to do work so fine as asto asto asto to remove a single cell from the human body without injury to adjoining tissue Industry has used the Laser to cut and drill metals Western Western Western Wes Wes- tern Electric supply unit of Bell System uses the light to drill minute holes in industrial industrial indus indus- trial diamonds used in lathe the manufacturing manufacturing manufacturing man man- of copper wire The development of the Laser Eraser is an example of the beams beam's versatility and value in the current scientific age |