THE Bell Laboratories Record of November 1939 contains a paper on the development of bone-conduction audiphone receivers by M. S. Hawley, of the Transmission Instruments Engineering Department of the ...

'ZDNET Recommends': What exactly does it mean? ZDNET's recommendations are based on many hours of testing, research, and comparison shopping. We gather data from the best available sources, including ...

Rinne and Weber tests are exams that test for hearing loss. They help determine whether you may have conductive or sensorineural hearing loss. This determination allows a doctor to come up with a ...