From the Geek Dad blog, we get this post featuring 11 Ways Geeks Measure the World. Of course, we were drawn to one.
Thaum (magic)
In Terry Pratchett’s The Last Continent, the thaum is the unit used to quantify magic. One thaum is the amount of mystical energy required to conjure up one small white pigeon, or three normal-sized billiard balls, and can be measured, up to one million thaums, by a thaumometer. If there is more magic than that around, measuring it should not be your primary concern.
Now we know.
Thanks to the iTricks reader whose name we lost that sent this in.