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Vor 5 Tagen · Ultrasonics, vibrations of frequencies greater than the upper limit of the audible range for humans—that is, greater than about 20 kilohertz. The term sonic is applied to ultrasound waves of very high amplitudes. Hypersound, sometimes called praetersound or microsound, is sound waves of frequencies.
- Ranging and Navigating
Ultrasonics - Ranging, Navigating, Imaging: Sonar (sound...
- Medical Applications
Ultrasonics - Medical, Imaging, Diagnosis: Although...
- Rochelle Salt
Rochelle salt, a crystalline solid having a large...
- Ultrasound
ultrasound, in medicine, the use of high-frequency sound...
- Musical Notation
musical notation, visual record of heard or imagined musical...
- Ranging and Navigating
Vor 5 Tagen · musical notation, visual record of heard or imagined musical sound, or a set of visual instructions for performance of music. It usually takes written or printed form and is a conscious, comparatively laborious process. Its use is occasioned by one of two motives: as an aid to memory or as communication.
Vor 5 Tagen · Ultrasound (US) is an imaging technology that uses high-frequency sound waves to characterize tissue. It is a useful and flexible modality in medical imaging and often provides an additional or unique characterization of tissues when compared to other modalities such as conventional radiography or CT .
Vor 5 Tagen · Sound is a form of energy produced by vibrations traveling through a medium, typically air. These vibrations create waves that propagate outward, carrying audible sensations to our ears. Sound waves consist of alternating compressions and rarefactions, which determine their pitch and volume.
Vor 5 Tagen · A piano is a keyboard musical instrument that has wire strings that sound when struck by felt-covered hammers operated from a keyboard. It is also called a pianoforte.
- The Editors of Encyclopaedia Britannica
- The standard modern piano has 88 keys and has a compass of seven full octaves plus a few keys. The white keys represent the diatonic notes and the...
- There have been many great pianists over time with a variety of styles. This list includes but is not limited to Wolfgang Amadeus Mozart, Ludwig va...
- Bartolomeo Cristofori is often credited with inventing the piano about 1709, though this has been disputed. Cristofori’s piano was not the first in...
- Piano pedals are used to change the tone of the instrument. However, the use of these pedals is a very advanced technique and is therefore not stri...
Vor einem Tag · For example, the sound (the sh in shoe) was originally represented with the letter c in English, but with the digraph ch in French. In 1888, the alphabet was revised to be uniform across languages, thus providing the base for all future revisions.
Vor 5 Tagen · Eminem als fühlender Vater. Eminems diskriminierende Texte wären vielleicht zu verzeihen, wenn die Musik auf "The Death Of Slim Shady" eine zweite Ebene aufmachen würde.
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