Loudspeakers in jet engines

Unless one is attending an aeronautics convention or going on a trip, noise associated with aircraft engines is rarely tolerable. Different means of significantly reducing that noise are being tested by EPFL's Electromagnetics ...

Revolutionizing the diagnosis of serious disease

Revolutionary ultrasonic nanotechnology that could allow scientists to see inside a patient's individual cells to help diagnose serious illnesses is being developed by researchers at The University of Nottingham.

Insects are helping us develop the future of hearing aids

The human ear is a miracle of mechanical evolution. It allows us to hear an astonishing range of sounds and to communicate and navigate in the world. It's also easy to damage and difficult to repair. Hearing aids are still ...

How an objective audiometric test can become even more reliable

Not only can the human ear detect sounds, it can also generate them. If the ear hears the two upper tones of a major triad, it produces the fundamental of the chord which can then be measured. This phenomenon, called "otoacoustic ...

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