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7 The Physical Measurement Laboratory's Responses to the Recommendations of the 2018 Assessment Report
Pages 45-48

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From page 45...
... The Technical Assessment of the Capital Facility Needs of the National Institute of Standards and Technology states that a substantial number of facilities, in particular the general purpose laboratories, have functional deficiencies in meeting their environmental requirements for temperature and humidity, and of electrical systems for stability, interruptibility, and for life safety. The assessment concluded that these deficient functionalities of NIST's facilities constitute a major threat to its mission performance and thereby, to our nation's economy, national security, and quality of life.
From page 46...
... should study the costs and benefits of acquiring a clinical-class magnetic resonance imaging machine that would assist in phantom design and enable testing onsite. NIST response: At this stage, the procurement and maintenance costs of a regular clinical magnetic resonance imager was deemed inappropriate given NIST's limited capabilities to perform extensive animal and/or human research, which would leave such a machine under-utilized.
From page 47...
... NIST response: The TFD is pursuing two main methods to compare frequency standards at the precision offered by optical clocks: through two-way frequency-comb based comparisons (over free space and optical fibers) and through the development of a transportable ytterbium optical lattice clock.
From page 48...
... However, since the previous review, the large BACON Collaboration has operated a network of three optical atomic clocks in Boulder, consisting of a TFD aluminum-ion clock (Hume) , a TFD ytterbium lattice clock (Ludlow)


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