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Show directly into substantial amounts of electricity has been practically prac-tically doubled in the one year since its announcement, according accord-ing to J. D. Maher, manager of Mountain States Telephone at Bingham. Bell laboratories scientists have Increased the battery's efficiency to 11 per cent comparable to the efficiency of the best gasoline gaso-line engines. When first shown, the battery had a 6 per cent efficiency. ef-ficiency. Mr. Maher said the announcement announce-ment of this new stride toward utilizing the sun's energy came shortly after Bell scientists had also succeeded in developing a miniature electronic "brain" capable cap-able of computing complex math ematical problems in 15 thous-1 andths of a second. The new electronic brain, called call-ed TRADIC (for Transistor-Digital-Computer), was developed for the U. S. Air Force and can operate flawlessly in planes flying fly-ing at supersonic speed. It uses transistors, another laboratories EFFICIENCY OF BELL SOLAR BATTERY INCREASED The efficiency of the Bell Solar Battery man's first successful device for converting sunlicht |