The human ear can tolerate noise up to 85 decibels without damage. Anything louder poses a risk of permanent hearing loss. Yet, studies show that anything at or above 65 decibels can trigger an ...

Ultrasound is produced by high frequency vibrations beyond the range of human hearing. The frequency of ultrasound is therefore greater than 20,000 hertz. Ultrasound, like audible sounds ...

Yale physicists have discovered a sophisticated, previously unknown set of "modes" within the human ear that put important constraints on how the ear amplifies faint sounds, tolerates noisy blasts, ...

Yale physicists have discovered a sophisticated, previously unknown set of “modes” within the human ear that put important constraints on how the ear amplifies faint sounds, tolerates noisy blasts, ...

These modes place significant limitations on how the ear can detect a remarkable range of sound frequencies ... accuracy and capacity of human hearing. ‘Newly discovered low-frequency mechanical ...