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Title: Johnson noise thermometry
Description: Photograph of circuit used in NIST's Johnson noise thermometry system. The system relies on the 'noise' of jiggling electrons as a basis for measuring temperatures. It is extremely precise in part because it is based on the predictable quantum effects of superconducting elements located between the dashed slits on the top and bottom of the chip.

EEEL

See also http://www.nist.gov/pml/div686/noise_061008.cfm.
Subjects (names):
Topics/Categories: Electronics--Electromagnetics
Type: Photo/Color
Source: National Institute of Standards and Technology
Credit Line as it should
appear in print:
Credit: NIST
AV Number: 08EEEL011
Date Created: 2008
Date Entered: 5/30/2008

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