On Wednesday 12 August 2009 22:48:06 [email protected] wrote: > This is one good reason to get rid of the ton. You have no way of knowing > which is intended. I can see why the ton used in the US is called a short > ton. It is because you always get short changed. I can imagine a business > ordering 40 t of something and expecting to get 40 Mg and only getting 36.3 > Mg. In other words getting short changed.
Another reason: the ton of cooling and the megaton of TNT (often called simply the megaton) aren't units of mass at all. Pierre
