Avoid gorilla arms

One of the most common misconceptions among the public is that the interface used by Tom Cruise in the movie Minority Report is desirable; see Figure 10.10. In fact, it quickly leads to the well-known problem of gorilla arms, in which the user quickly feels fatigue from extended arms. How long can you hold your arms directly in front of yourself without becoming fatigued?

Steven M LaValle 2020-01-06