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The Hindenburg disaster was an airship accident that occurred on May 6, 1937, in Manchester Township, New Jersey, U.S.The LZ 129 Hindenburg (Luftschiff Zeppelin #129; Registration: D-LZ 129) was a German commercial passenger-carrying rigid airship, the lead ship of the Hindenburg class, the longest class of flying machine and the largest airship by envelope volume. [1]
Audio frequency. AF. Transmission loss. TL. v. t. e. Sound power or acoustic power is the rate at which sound energy is emitted, reflected, transmitted or received, per unit time. [ 1] It is defined [ 2] as "through a surface, the product of the sound pressure, and the component of the particle velocity, at a point on the surface in the ...
Subsonic. Mach 1. Supersonic. Shock wave. The sound barrier or sonic barrier is the large increase in aerodynamic drag and other undesirable effects experienced by an aircraft or other object when it approaches the speed of sound. When aircraft first approached the speed of sound, these effects were seen as constituting a barrier, making faster ...
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That’s just a way of saying that symptoms can persist after the concussion. Long-term side effects can include cognitive symptoms like problems with attention, thinking, memory, and speed; as ...
Faucalized voice, also called hollow voice or yawny voice, is a vocal quality of speech production characterized by the vertical expansion of the pharyngeal cavity due to the lowering of the larynx. It is termed faucalized because of the stretching of the fauces and visible narrowing of the faucial pillars in the back of the oral cavity.