One of the prizes that has dangled just out of reach of the scientists is a method of amplifying light: i.e., increasing the brilliance of a dim "picture." It can be done in the innards of electron tubes, but only in ways that are unsatisfactory. The ideal is a system that will brighten an optical imagewith all its lights and shadowsjust as sound is strengthened by a public-address apparatus.
This week Dr. F. E. Williams and D. A. Cusano of General Electric's Research Laboratory demonstrated the first major step toward licking the problem. On a round screen four inches in diameter they...
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