for an encore you have to tell us what a second is
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I want to hear what a kilogram is :)
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a meter is something that's used to measure consumption such as a water meter. A METRE is a unit of measure
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Thanks to this tweet we all know the definition of PEDANT also.
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Still less arbitrary than a foot or inches
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It's equally as arbitrary. They wanted to base it on the circumference of the planet, divided by a round number, that would come to a measurement roughly equal to 1 yard. That's why they divided the calculated circumference by 40,000.
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Thanks. Twitter will use this to make your timeline better. UndoUndo
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Cool! Begs the question: what is a second?
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This measurement will be have to be adjusted again when we find out that the speed of light in a vacuum is not a constant
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@KeziyaSunny is this correct?Thanks. Twitter will use this to make your timeline better. UndoUndo
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One meter is the distance traveled by light through a vacuum in 1/299,792,458 of a second.
It was originally defined as 10⁻⁷ of the distance measured over the earth's surface of a great circle from the north pole to the equator, and passing through Paris.