Show catches faint sounds sounds mide made ly by small insects generally believed to be absolutely mute may be heard by a microphone reported to haye have been completed recently rece atly by scientists of an eastern electrical concern according to popular mechanics magazine sounds heretofore too faint to be caught aught by the humadi ear o ore are re said to be recorded by the device abich r registers the waves us bs they disturb a delicate current passing between contacts in an insulated insulat ed ring experts claim that the apparatus may be of great advantage in the study of juso alf L |