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150 years ago, the Metre Convention determined how we measure the world — a radical initiative for the time
On May 20, 1875, delegates from a group of 17 countries gathered in Paris to sign what may be the most overlooked yet globally influential treaty in history: the Metre Convention. At a time when ...
Students learn that nanometers are units of length that are essential for measuring objects of the extremely small nano-world. They become aware of the relative size of a nanometer and discover some ...
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