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The metric system is on track for a mass makeover. In an effort to provide accurate measurements at all scales, scientists are preparing to redefine four basic units by the end of 2018.
The metric system is used to measure the length, mass or capacity of an object. Length is measured in millimetres (mm), centimetres (cm), metres (m) or kilometres (km).
Now it is the turn of the units of mass (kilogram), current (ampere), temperature (kelvin) and the amount of a chemical substance (mole) to be redefined so that they too can, in theory, be ...
Imperial measurements are a system of measure. Today, in the UK, we more commonly use metric measures; however, we still use some imperial measures. There are many different imperial measurements ...