Search results
Results from the WOW.Com Content Network
A trailing edge tone occurs when an exterior flow passes over a trailing edge. There is a whistle that is a combination of an edge tone and a trailing-edge tone and might be called a wake-edge tone. It occurs in rotating circular saws under idling conditions and may be called the circular-saw whistle. Under load conditions, blade vibration ...
An offstage whistle audible to the audience in the middle of a performance might also be considered bad luck. Transcendental whistling ( chángxiào 長嘯) was an ancient Chinese Daoist technique of resounding breath yoga, and skillful whistlers supposedly could summon supernatural beings, wild animals, and weather phenomena.
This whistle is the reason for the typical "long high - short low - short high" signal sound of steam locomotives in Germany. [18] Chime whistle – two or more resonant bells or chambers that sound simultaneously. In America, railway steam whistles were typically compact chime whistles with more than one whistle contained within, creating a chord.
The AOL.com video experience serves up the best video content from AOL and around the web, curating informative and entertaining snackable videos.
A train whistle or air whistle (originally referred to as a train trumpet or air trumpet) is an audible signaling device on a steam or gas locomotive, used to warn that the train is approaching, and to communicate with rail workers. Modern diesel and electric locomotives primarily use a powerful air horn instead of a whistle as an audible ...
It is also called a hand ocarina or hand whistle. To produce sound, the player creates a chamber of air with their hands, into which they blow air via an opening at the thumbs. To produce sound, the player creates a chamber of air with their hands, into which they blow air via an opening at the thumbs.
One should not shake hands or give something across a threshold such as a door frame, window frame, or a state border. It is considered proper to either invite the outside person in or to step outside to shake hands. Whistling in a house is said to bring misfortune to that household (see origins below).
The whistle register (also called the flute register or flageolet register) is the highest register of the human voice, lying above the modal register and falsetto register. This register has a specific physiological production that is different from the other registers and is so called because the timbre of the notes that are produced from ...