Archive for October, 2014


This entry is part 37 of 43 in the series Words

Let’s suppose it is 1980. Suppose someone shows up in your ED with a fever, and a history of travel to an area with a new plague characterized by fever. The nurse has heard about this on the news, asks the patient about travel to the area, and gets a “yes.” The nurse not only writes this on the paper […]


Fitts’s Law

This entry is part 35 of 43 in the series Words

Fitts’s Law has been known since Paul Fitts first proposed it in 1954. Wikipedia has a detailed exposition of Fitts’s Law. In essence, it says that “the time required to rapidly move to a target area is a function of the distance to the target and the size of the target.” “Targets that are smaller […]