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Just Got A Cool Meter Long Stick

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Have you checked it against the standard?

An "official meter" refers to the standardized unit of length in the International System of Units (SI), currently defined as the distance light travels in a vacuum in 1/299,792,458 of a second, a definition based on the universal speed of light for ultimate precision. Historically, the meter was based on physical artifacts like platinum-iridium bars or wavelengths of light, but the modern definition ensures it's a consistent, universally reproducible standard used globally in science and everyday life.
 
Make sure that it's 25C when you check it as well. You will also want to check the thermometer against a standard to make sure it's calibrated.
 
IBMJunkman said:
Have you checked it against the standard?

An "official meter" refers to the standardized unit of length in the International System of Units (SI), currently defined as the distance light travels in a vacuum in 1/299,792,458 of a second, a definition based on the universal speed of light for ultimate precision.
Click to expand...
Going to have to pretty quick clicking that stopwatch to time that!
 
IBMJunkman said:
Have you checked it against the standard?

An "official meter" refers to the standardized unit of length in the International System of Units (SI), currently defined as the distance light travels in a vacuum in 1/299,792,458 of a second, a definition based on the universal speed of light for ultimate precision. Historically, the meter was based on physical artifacts like platinum-iridium bars or wavelengths of light, but the modern definition ensures it's a consistent, universally reproducible standard used globally in science and everyday life.
Click to expand...
I wanna know how they measured that in the 1790s when the metric system was invented.
 
BoomerD asked, "I wanna know how they measured that in the 1790s when the metric system was invented." They did not, of course. In fact many "standards" have been slightly revised over time as our technological capabilities advanced. For example, after the Metre was re-defined, the actual INCH was re-defined as being exactly 25.4 mm. eliminating the many stray digits after the ".4"
 
Stiff Clamp said:
imagine trying to measure stuff in meters . . . lol
Click to expand...
Right? I was on a construction job in the late 80s for a new steel rolling mill at the USS-POSCO plant in Pittsburg, CA. The rolling machinery was from Japan. The major components weighed as much as 100 tons, had to be assembled with as little as 1mm tolerance...and the Japanese engineers just couldn't understand why the delta peat soil the plant was built on kept moving under the weight.
 
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