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The eardrum is an airtight membrane, and when sound waves arrive there, they cause it to vibrate following the waveform of the sound. Cerumen (ear wax) is produced by ceruminous and sebaceous glands in the skin of the human ear canal, protecting the ear canal and tympanic membrane from physical damage and microbial invasion.
In physics, sound is a vibration that propagates as an acoustic wave through a transmission medium such as a gas, liquid or solid. In human physiology and psychology, ...
Sound energy causes changes in the shape of these cells, which serves to amplify sound vibrations in a frequency specific manner. Lightly resting atop the longest cilia of the inner hair cells is the tectorial membrane, which moves back and forth with each cycle of sound, tilting the cilia, which is what elicits the hair cells' electrical ...
Learning new things is important if we want to live a long and fulfilling life. Acquiring new skills and performing activities such as puzzles and other brain games strengthens our neurological ...
BSc meteorologist Janice Davila tells Bored Panda that one of the most unknown facts from her field of expertise is that weather radars are slightly tilted upward in a half-degree (1/2°) angle.
30 Strange But Interesting Facts To Satisfy Your Never-Ending Need For Knowledge. Mantas Kačerauskas. December 24, 2024 at 4:30 AM. Winter, and the holidays especially, ...
This falls within the domain of physical acoustics. In fluids, sound propagates primarily as a pressure wave. In solids, mechanical waves can take many forms including longitudinal waves, transverse waves and surface waves. Acoustics looks first at the pressure levels and frequencies in the sound wave and how the wave interacts with the ...
A Sight and Sound Reader, London: Scarlet Press, 1994, 287 pp. Jacqueline Louviot: Le regard de Sight and Sound sur le cinéma britannique des années 50 et 60 (What Sight and Sound Saw: Sight and Sound on British Cinema during the Fifties and Sixties), French doctoral thesis, University of Strasbourg II, 1997, 980 pp. David Wilson (ed): Sight ...