Metric System
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education

Norris teacher pushes for conversion to metric


Tom Price math teacher
Tom Price

In an empty middle school classroom in rural Lancaster County, a mild-mannered math teacher engages in subterfuge.

He speaks animatedly into a video camera, his voice rising and falling as he explains the metric system's many advantages.

"Hi. My name is Tom Price. I'm a math teacher, and I want to change this country to the metric system," he says. "Why? Because two systems do not work."

Later, he'll upload the video to YouTube. He hopes it will light the spark necessary in federal lawmakers to convert the United States to the metric system.

ISO issues new SI units guide


ISO Guide
New SI derived unit

ISO has just published a new version of the SI Guide, a small manual for the use of the SI, the International System of Units (Système International d’Unités). ISO SI Units Guide
The SI is a comprehensive metric and decimal system based on units and derived units. The seven base units are: length, mass, time, electric current, thermodynamic temperature, amount of substance, and luminous intensity.

This new edition of the SI Guide includes for the first time:
one new SI derived unit: the katal, symbol kat (1 kat = 1 mol/s) for the quantity of catalytic activity – essentially used in clinical chemistry, it can also be used in other fields of chemistry

Metric History in USA


metric history
The Metric System in the U.S.

In 1866, Congress authorized the use of the metric system in this country and gave each state a set of standard metric weights and measures.In 1875, the United States firmed its commitment to the development of the internationally recognized metric system by becoming one of the original seventeen signatory nations to the Treaty of the Meter. In 1893, metric standards, developed through international cooperation were adopted as the fundamental standards for length and mass in the United States.

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