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8 terms
Definitions: B
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motion x
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Brownian motion
The behavior of microscopic solid particles suspended in a fluid, first observed by botanist Robert Brown in 1827 as a continuous random motion.
Babinet compensator
A device containing two opposed quartz wedges of equal angle, one wedge being movable along its length by a micrometer screw. The wedges are cut so that their fast directions are along, and...
Babinet-Jamin compensator
A Babinet compensator that contains the controlled motion of one prism with respect to the other. This idea was introduced by Jamin.
backlash
In a mechanical system, any lost motion between driving and driven elements due to clearance between parts.
beam deflection tube
An electron-beam tube in which the current to an output electrode is regulated by the transverse motion of the tube's electron beam.
Bernoulli terms
Mathematical definition for the changes that occur between potential and kinetic energy. These formulas express wave motion.
biometrics
Biometrics refers to the automated recognition of individuals based on their physiological or behavioral characteristics. These unique attributes are used to verify or identify individuals, often in...
Bose-Einstein condensate
A Bose-Einstein condensate (BEC) is a state of matter that forms at temperatures close to absolute zero. It is named after Satyendra Nath Bose and Albert Einstein, who independently predicted the...
Photonics Dictionary
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