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Title: Samuel Benz
Description: NIST physicist Samuel Benz holds the two components that are compared in the first electronic measurement of the Boltzmann constant. The ac reference signal generated by the superconducting chip (left) is compared to the "Johnson noise" of a resistor inside the glass container (right). In the experiment, the water in the container is held at its triple point temperature near 0° C or 32° F.

*PML
Subjects (names): Benz, Samuel
Topics/Categories:
Type: Photo/Color
Source: National Institute of Standards and Technology
Credit Line as it should
appear in print:
Credit: Burrus/NIST
AV Number: 11PML042
Date Created: Unknown
Date Entered: 3/30/2011

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