The basic concept Of cellular phones Began in 1947 When researchers looked At crude mobile (car) Phones and realized That by using Small cells (range of service area) with frequency reuse could increase the traffic capacity of mobile phones substantially however the technology to do it was nonexistent Anything to do with Broadcasting and sending A radio or Television message Out over the Airwaves Comes under A Federal Communications Committee (FCC) Regulation That a cell phone …showed first 75 words of 568 total…

…showed last 75 words of 568 total…after about a year we had a system which we put in an airplane and actually used. It worked.” The word laser Is an acronym For light amplication By stimulated emission Or radiation Although common usage Today is to Use the word As a noun laser - rather than as an acronym A laser is A device that Creates and amplifies A narrow Intense beam Of coherent light. Atoms emit radiation We see it everyday