The official standard for the kilogram is a cylind...  ...o solve because the kilogram is one of a few base units (like the second and the meter) that are used in...  ...re used in the definitions of other, more complex units , such as those used to measure temperature, elect...  .... If the kilogram is off, eve...

Humans like to measure things - distance, mass,...  ...me up with some interesting and unusual units of measurements : Apgar Score - If you were born in the pas...  ...using 24 pesky hours, why not divide the day into units of 10. Basically 1 day is d...