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The Concept Map you are trying to access has information related to:
outgoingsolution13, albert eistein, not powerful enough, 1917, light amplification by stimulated emission of radiation, arthur l. schawlow, cutting and cauterizing of tissue, consultant to bell labs , construction, lasers, atoms, very complex, manufacturing, incoherent light, military system, corrective eye surgery, cd players, useless, cutting metals, important, radiate their light in random directions , 1958, surveying, creates and amplifies a narrow, intense beam of coherent light, charles h. townes, medicine, focus photons in one direction, electronics, bell labs researcher, many uses, military had no use for it, theory of stimulated emission, small to very large