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Hand-waving (with various spellings) is a pejorative label for attempting to be seen as effective – in word, reasoning, or deed – while actually doing...

transverse waves which specifies the geometrical orientation of the oscillations. In a transverse wave, the direction of the oscillation is perpendicular to the...

hand, some waves have envelopes which do not move at all such as standing waves (which are fundamental to music) and hydraulic jumps. A physical wave...

refer to the circularly polarized wave in the first animation. Using this convention, that wave is defined as right-handed because when one points one's right...

side to side. Another common wave is to raise one's hand and repeatedly move the fingers downward toward the palm. A variant known as the wiggly wave consists...

observables. One has to apply quantum operators, whose eigenvalues correspond to sets of possible results of measurements, to the wave function ψ and...

line (as if signing one's name) in the air. To signal for the bill in Japan, although not widely used by younger people, both hands are raised, with the...

The Great Wave off Kanagawa (Japanese: 神奈川沖浪裏, Hepburn: Kanagawa-oki Nami Ura, lit. 'Under the Wave off Kanagawa') is a woodblock print by Japanese ukiyo-e...

a transverse wave is a wave that oscillates perpendicularly to the direction of the wave's advance. In contrast, a longitudinal wave travels in the...

them: Face the camera and wave one hand: then wave both hands: followed by wave both hands and one foot then wave both hands and both feet which usually...

wave's magnetic field is perpendicular to the electric field, and the electric and magnetic field are oriented in a right hand sense with respect to the...

to each other and perpendicular to the direction of energy and wave propagation, forming a transverse wave. The position of an electromagnetic wave within...

Pontiac Wave, a car Wave (audience), or Mexican wave, when successive spectators raise their arms Wave (gesture), involving moving one's hand Wave (typeface)...

gun at her, then each of the two asks the other to put one's own weapon down. When he pulls his other hand out from under his jacket, she mistakes the metallic...

angles to the direction of propagation). For a transverse-electric-magnetic (TEM) plane wave traveling through a homogeneous medium, the wave impedance...

family). The handshake may be followed by lightly touching one's heart with one's right hand. In Armenia, handshakes are the most common greetings between...

Raising hands is a gesture involving lifting either one or both arms above one's head, which has a number of possible meanings, depending on the context...

do it well and are going to last on one hand. The Pistols, The Damned, The Clash, The Ramones – and The Jam. Although new wave shares punk's do-it-yourself...

uses a board to ride on the forward section, or face, of a moving wave of water, which usually carries the surfer towards the shore. Waves suitable for...

surface tension. Capillary waves are common in nature, and are often referred to as ripples. The wavelength of capillary waves on water is typically less...