#108 Why is the official kilogram in France no longer used?
I learned this today. The International Prototype of the Kilogram, kept in Paris, is not accurate enough to be the standard for all kilograms around the world. Different measures for…
I learned this today. The International Prototype of the Kilogram, kept in Paris, is not accurate enough to be the standard for all kilograms around the world. Different measures for…
I learned this today. The mile we use today originated with the Roman mile which was one thousand paces. The word “mile” comes from “mille passus”, which means 1,000 paces.…