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Oscillate

oscillate

1. To move backward and forward; to vibrate like a pendulum; to swing; to sway.

2. To vary or fluctuate between fixed limits; to act or move in a fickle or fluctuating manner; to change repeatedly, back and forth. The amount of superior families oscillates rather than changes, that is, it fluctuates within fixed limits. (dc Quincey)

Origin: L. Oscillare to swing, fr. Oscillum a swing, a little mask or puppet made to be hung from trees and swing in the wind, prob. Orig, a little mouth, a dim. From os mouth. See Oral, and cf. Osculate.


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Re: Sound and how the brain reacts to it

... below the thermal noise background in the ear. The answer may be active amplification. Previous experiments performed in vitro found that bundles oscillate spontaneously from an internal driver, and this motion could synchronize with a small external input. Yuttana Roongthumskul and colleagues ...

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by GremlinGnome422
Mon Jul 01, 2013 7:25 pm
 
Forum: Human Biology
Topic: Sound and how the brain reacts to it
Replies: 88
Views: 117206

Re: Herbivores without predators

... in this thread, you should need more elements (predators; climate fluctuations, etc) in your system to achieve a stable situation. Expect it to oscillate up and down. However be warned: experience shows that even the most simple of such systems are not only hard to modelize, but unrealistic ...

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by marquitosgm
Thu Mar 29, 2012 9:11 pm
 
Forum: Ecology
Topic: Herbivores without predators
Replies: 19
Views: 13494

Does it really matter?

... not in some distinction about the cause of the extinction. The problem though is that, even in the cases of sudden natural extinctions, they can't oscillate much further than the rate of especiation in the long run while the rate of extinctions due to economic growth is orders of magnitude higher ...

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by Smig
Thu Mar 18, 2010 6:59 pm
 
Forum: Ecology
Topic: Does it really matter?
Replies: 33
Views: 24883

The Fiber Disease

... caused by human immunodeficiency virus (HIV). Some retroviruses jump into and out of the chromosomal DNA of the host germline, so that they oscillate between being inherited Mendelian traits or infectious agents in different species. Will new procedures like animal-to-human transplants unleash ...

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by London
Fri Oct 13, 2006 7:22 pm
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 4991812

The Fiber Disease

... strings is the work of Vilenkin and Thibault Damour (Institut des Hautes Etudes Scientifiques, France). They figured out that when cosmic strings oscillate, every once in a while, they crack like a whip. "It's surprising," said Polchinski, "but when you write out the equations for ...

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by London
Fri Aug 18, 2006 8:02 am
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 4991812
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