McKean complex projectile point typology has been of keen interest to Plains archaeologists since the early 1950s. This article examines the typological and functional relationships of McKean complex ...

This content can also be viewed on the site it originates from. Suppose you throw some object near the surface of the earth. If the only significant force on the object is the constant downward ...

Have you ever sat down and thought “I wonder if a trebuchet could launch a projectile at supersonic speeds?” Neither have we. That’s what separates [David Eade] from the rest of us. He didn’t just ask ...