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Standard Reference Material
Metrology is the scientific discipline that deals with measurement, including both the theoretical and practical aspects of measurement. It is a broad field that encompasses many different areas, including length, mass, time, temperature, and electrical and optical measurements. The goal of metrology is to establish a system of measurement that is accurate, reliable, and consistent. This involves the development of standards and calibration methods that enable precise and traceable measurements to be made.
The International System of Units is the most widely used system of units today and is based on a set of seven base units, which are defined in terms of physical constants or other fundamental quantities. Another important aspect of metrology is the development and use of measurement instruments and techniques. These instruments and techniques must be designed to minimize errors and uncertainties in measurements, and they must be calibrated against recognized standards to ensure accuracy and traceability.
Metrology also involves the development of statistical methods for analyzing and interpreting measurement data. These methods are used to quantify the uncertainty associated with measurement results and to determine the reliability of those results.
The Business of Standards Never Stops
Standards for a Kitchen Symphony | November/December 2024
ASTM International (formerly known as the American Society for Testing and Materials) is a globally recognized organization that develops and publishes technical standards for a wide range of products, systems, and services. These standards are used by manufacturers, regulatory bodies, and other stakeholders to ensure that products and services are safe, reliable, and of high quality.
In the field of measurement science, ASTM plays an important role in developing standards and guidelines for measurement techniques and practices. These standards cover a wide range of topics related to measurement science, including the calibration of instruments, the characterization of measurement systems, and the validation of measurement results. They are used by researchers, engineers, and other professionals in academia, industry, and government to ensure that measurements are accurate, precise, and reliable.
| ANSI Public Review |
ASTM standards for measurement science are developed through a process that involves input from experts in the field, including researchers, industry professionals, and regulatory bodies. These standards are updated regularly to reflect advances in measurement science and technology, as well as changes in industry and regulatory requirements. This is a far better way to discover and promulgate leading practice. In fact, there are regulations intended to restrain the outsized influence of vertical incumbents in legislative precincts where market-making happens.
Previous Posts
Athletic Performance Properties of Indoor Sports Floor Systems
Beauty in a World of Ugliness
This is happening Thursday at Peterhouse:
13:00 – 13:30
Fellows Orientation
14:00 – 15:30
Session I: Scruton’s Aesthetics
A. O’Hear
F. Hörcher
A. Frost
16:00 – 17:00
Session II: Art and Modernity
C. Varry
J. Kolata
17:30 – 19:00
Keynote I: Beauty and the Sacred
D. Hedley
J. Orr pic.twitter.com/EYnWIbDwtl— Ferenc Hörcher (@HorcherF) September 13, 2023
History of Western Civilization Told Through the Acoustics of its Worship Spaces
Abstract. Insights into the history and future of western civilization are found by applying information theory to the acoustical communication channel (ACC) of its worship spaces. Properties of the ACC have both influenced and reflected the choice of message coding (e.g., speech or music) at various times. Speech coding is efficient for acoustically dry ACCs, but hopeless for highly time-dispersive ACCs. Music coding is appropriate for time dispersive (reverberant) ACCs. The ACCs of synagogues, early Christian house churches, and many Protestant churches are relatively acoustically “dry” and thus well suited to spoken liturgies.
The spoken liturgy, dominant in synagogues, was carried over to early Christian churches, but became unworkable in Constantinian cathedrals and was largely replaced with a musical liturgy. After a millennium, the cathedral acoustic was altered to suit the doctrinal needs of reformation churches with its renewed emphasis on the spoken word. Worship forms continue to change, and the changes are reflected in the properties of the ACC. The pulpits of electronic churches may be evolving into radio and television performance spaces and naves into worshipers’ living rooms.
CLICK IMAGE
"Shenandoah" | King's College Choirhttps://t.co/VRpzzKPoKA@ChoirOfKingsCamhttps://t.co/1arQmfueQ0 pic.twitter.com/QcyPr56n52
— Standards Michigan (@StandardsMich) September 10, 2023
The Art of Harmony
“Music is often called a universal language.
Why can we listen to Mozart’s sonatas or Bach’s compositions a thousand times and still find joy?
Music’s layers of meaning are inexhaustible. Even centuries later, these masterpieces continue to teach us about… pic.twitter.com/Pq8SHCRpub
— Peterson Academy (@petersonacademy) November 23, 2024
Best Coffee Spots Near Campus
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“The coffee-house is an original British institution, but as there are daily effusions of wit and humor in several of these little periodical papers, I think we may be justly said to have our Coffee-houses among us.” (From “The Spectator,” No. 9, March 10, 1711) |
Michigan Central | Major Projects | University of Michigan Capital Plan
Ellie Younger: Best Coffee Spots Near Campus
Artisanal coffee departs from mass-market approaches and replaces it with emphasis on craftsmanship, quality, and attention to detail throughout the entire process—from cultivation to brewing. Key aspects:
» Artisanal coffee producers often prioritize high-quality beans. They might focus on specific varieties, regions, or even single-origin beans, showcasing unique flavors and characteristics.
» The roasting process is considered an art in itself. Artisanal coffee roasters carefully roast the beans to bring out the best flavors. They may experiment with different roasting profiles to achieve specific taste profiles.
» Unlike mass-produced coffee, artisanal coffee is often roasted in smaller batches. This allows for better quality control and the ability to pay closer attention to the nuances of each batch.
» Artisanal coffee is appreciated for its distinct flavor profile. Roasters and baristas might highlight tasting notes, aromas, and other characteristics that make each cup unique.
» Artisanal coffee shops or enthusiasts often explore various brewing methods, such as pour-over, AeroPress, or siphon brewing. These methods can be more time-consuming but are believed to extract the best flavors from the beans.
From the way the beans are ground to the water temperature during brewing, artisanal coffee enthusiasts pay attention to every detail to ensure a superior cup of coffee.
— Publisher Marketing
The Decline of Men in Colleges
The Great Good Place: Ray Oldenburg
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“I have often pleased myself with considering the two different scenes of life which are carried on at the same time in those different places of rendezvous, and putting those of the playhouse and the coffee-house together.” (From “The Spectator,” No. 10, March 12, 1711) |
America’s Cultural Revolution: How the Radical Left Conquered Everything
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“For decades, left-wing radicals patiently built a revolution in the shadows. Then suddenly, after the death of George Floyd, their ideas exploded into American life. Corporations denounced the United States as a “system of white supremacy.” Universities pushed racially segregated programs that forced students to address their racial and sexual “privilege.” And schools injected critical race theory in the classroom, dividing children into “oppressor” and “oppressed.” In this New York Times bestseller, Christopher F. Rufo exposes the inner history of the left-wing intellectuals and militants who slowly and methodically captured America’s institutions, with the goal of subverting them from within. With profiles of Herbert Marcuse, Angela Davis, Paulo Freire, and Derrick Bell, Rufo shows how activists have profoundly influenced American culture with an insidious mix of Marxism and racialist ideology. They’ve replaced “equality” with “equity,” subverted individual rights in favor of group identity, and convinced millions of Americans that racism is endemic in all of society. Their ultimate goal? To replace the constitution with a race-based redistribution regime, administered by “diversity and inclusion” commissars within the bureaucracy. America’s Cultural Revolution is the definitive account of the radical Left’s long march through the institutions. Through deep historical research, Rufo shows how the ideas first formulated in the pamphlets of the Weather Underground, Black Panther Party, and Black Liberation Army have been sanitized and adopted as the official ideology of America’s prestige institutions, from the Ivy League universities to the boardrooms of Wal-Mart, Disney, and Bank of America. But his book is not just an exposé. It is a meticulously-researched and passionate refutation of the arguments of CRT—and a roadmap for the counter-revolution to come.” |
“To be at home is to have a place in the world which is yours, where you are not a stranger and where you find the outlines of your identity. In the modern world, however, where the sense of home has been eroded by technology and bureaucracy, architecture can create a substitute for this sense, by defining spaces which answer to the dreams and memories of the people who live in them.”
— Roger Scruton
Why You Need Standards
In 1936, a team of @NIST researchers, including optical physicist Irvine Gardner, joined National Geographic Society to observe June solar eclipse with a 9-inch astrographic lens Gardner designed. He has 9 patents, including for the wide-angle binocular telescope & range finder. pic.twitter.com/BblX8FnTBL
— USPTO (@uspto) April 3, 2024
Department of Justice Antitrust Case Filings
…When we talk about standards in our personal lives, we might think about the quality we expect in things such as restaurants and first dates. But the standards that exist in science and technology have an even greater impact on our lives. Technical standards keep us safe, enable technology to advance, and help businesses succeed. They quietly make the modern world tick and prevent technological problems that you might not realize could even happen…”
Date & Time: Representations For Information Interchange
“A Philosopher Lecturing on the Orrery” | Joseph Wright (1766)
Most nations follow the day/month/year format (07/01/19 for January 7, 2019, for example), but the United States adheres to its own format of month/day/year (1/7/19 or 1/7/2019). The potential for misinterpreting dates across national boundaries is the logic for ISO 8601:2019 – Data Elements And Interchange Formats – Information Interchange – Representation Of Dates And Times, the ISO format for dates represents year, month, and day from the largest unit to the smallest, most specific unit of time. The ISO date format is the date format used in SQL and is the default date setting on many computers.
ISO 8601-1:2019 Date And Time – Representations For Information Interchange – Part 1: Basic Rules
CLICK ON IMAGE FOR INTERACTIVE MAP
More
How the ISO Date Format Tells Today
Date and time formats used in HTML
Critical Operations Power Systems
The original University of Michigan codes and standards enterprise advocated actively in Article 708 Critical Operations Power Systems (COPS) of the National Electrical Code (NEC) because of the elevated likelihood that the education facility industry managed assets that were likely candidates for designation critical operations areas by emergency management authorities.
Because the NEC is incorporated by reference into most state and local electrical safety laws, it saw the possibility that some colleges and universities — particularly large research universities with independent power plants, telecommunications systems and large hospitals — would be on the receiving end of an unfunded mandate. Many education facilities are identified by the Federal Emergency Management Association as community storm shelters, for example.
As managers of publicly owned assets, University of Michigan Plant Operations had no objection to rising to the challenge of using publicly owned education facilities for emergency preparedness and disaster recovery operations; only that meeting the power system reliability requirements to the emergency management command centers would likely cost more than anyone imagined — especially at the University Hospital and the Public Safety Department facilities. Budgets would have to be prepared to make critical operations power systems (COPS) resistant to fire and flood damages; for example.
Collaboration with the Institute of Electrical and Electronic Engineers Industrial Applications Society began shortly after the release of the 2007 NEC. Engineering studies were undertaken, papers were published (see links below) and the inspiration for the IEEE Education & Healthcare Facilities Committee developed to provide a gathering place for power, telecommunication and energy professionals to discover and promulgate leading practice. That committee is now formally a part of IEEE and collaborates with IAS/PES JTCC assigned the task of harmonizing NFPA and IEEE electrical safety and sustainability consensus documents (codes, standards, guidelines and recommended practices.
Transcripts of 2026 Revision:
https://t.co/chd9RJVc7G
print(“Disaster”) pic.twitter.com/Lu6Dw3bARq— Standards Michigan (@StandardsMich) November 15, 2021
The transcript of NEC Code Making Panel 13 — the committee that revises COPS Article 708 every three years — is linked below:
NEC CMP-13 First Draft Balloting
NEC CMP-13 Second Draft Balloting
The 2023 Edition of the National Electrical Code does not contain revisions that affect #TotalCostofOwnership — only refinement of wiring installation practices when COPS are built integral to an existing building that will likely raise cost. There are several dissenting comments to this effect and they all dissent because of cost. Familiar battles over overcurrent coordination persist.
Our papers and proposals regarding Article 708 track a concern for power system reliability — and the lack of power — as an inherent safety hazard. These proposals are routinely rejected by incumbent stakeholders on NEC technical panels who do not agree that lack of power is a safety hazard. Even if lack of power is not a safety hazard, reliability requirements do not belong in an electrical wiring installation code developed largely by electricians and fire safety inspectors. The IEEE Education & Healthcare Facilities Committee (IEEE E&H) maintains a database on campus power outages; similar to the database used by the IEEE 1366 committees that develop reliability indices to enlighten public utility reliability regulations.
Public input on the 2026 revision to the NEC will be received until September 7th. We have reserved a workspace for our priorities in the link below:
Colleagues: Robert Arno, Neal Dowling, Jim Harvey
LEARN MORE:
Consuting-Specifying Engineer | Risk Assessments for Critical Operations Power Systems
Electrical Construction & Maintenance | Critical Operations Power Systems
Facilities Manager | Critical Operations Power Systems: The Generator in Your Backyard
New update alert! The 2022 update to the Trademark Assignment Dataset is now available online. Find 1.29 million trademark assignments, involving 2.28 million unique trademark properties issued by the USPTO between March 1952 and January 2023: https://t.co/njrDAbSpwB pic.twitter.com/GkAXrHoQ9T
— USPTO (@uspto) July 13, 2023
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