Some articles on flapping:

Alveolar Flap - Occurrence
... See English phonology and flapping Australian Intervocalic allophone of /t/, and also /d/ among few speakers ... See Australian English phonology and flapping New Zealand Cockney Intervocalic allophone of /t/ ... See flapping Dublin Intervocalic allophone of /t/ and /d/, present in many dialects ...
Pteranodon - Biology and Ecology - Flight
... of wind speed near the ocean surface to travel long distances without flapping, and without the aid of thermals (which do not occur over the open ocean the same way they do over land) ... it probably required an occasional active, rapid burst of flapping, and studies of Pteranodon wing loading (the strength of the wings vs ... that they were capable of substantial flapping flight, contrary to some earlier suggestions that they were so big they could only glide ...
Myth Busters (2008 Season) - Episode 102 – "Shark Week Special 2" - Fish Flap
... Myth statement Status Notes The sound of a flapping fish will attract more sharks than if the fish was stationary ... retest, they used plastic fish cut-outs shielded by screens, so that only the flapping would be available to the sharks ... There was some increase in shark activity towards the flapping fish, but not enough to be especially appreciable until the screen was removed and the sharks could see the fish ...
Basic Mechanics of Bird Flight - Flapping
... Flapping involves two stages the down-stroke, which provides the majority of the thrust, and the up-stroke, which can also (depending on the bird's wings ...
Overactive - Classification - Tremor
... A “flapping tremor,” or asterixis, is characterized by irregular flapping-hand movement, which appears most often with outstretched arms and wrist extension ... Individuals with this condition resemble birds flapping their wings ...

Famous quotes containing the word flapping:

    I was awakened at midnight by some heavy, low-flying bird, probably a loon, flapping by close over my head, along the shore. So, turning the other side of my half-clad body to the fire, I sought slumber again.
    Henry David Thoreau (1817–1862)

    Amidst the dust, and the falling things, and the flapping scenery, Cincinnatus made his way in that direction where, to judge by the voices, stood beings akin to him.
    Vladimir Nabokov (1899–1977)