Science: Eight Jumps to Boston

A new radio relay system connecting New York and Boston was demonstrated last week by Bell Telephone Laboratories. The cableless cable uses microwaves about 7½ cm. long, which are not affected by weather, static or most kinds of man-made interference. The waves move in straight lines and refuse to curve with the earth, so they cannot make Boston in one jump. The telephone people skip them from hilltop to hilltop.

The waves start from the roof of a Telephone Co. building in Manhattan. A tricky metallic "lens" concentrates them into a narrow beam, sharper than the shaft of a searchlight, which points...

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