Show how to bisect a line segment with a compass (no straight-edge).
Call the segment AB.
Pick up the paper and poke the point of the compass through point A. Curve the paper so that point B touches the point of the compass and poke through the paper a second time. Now you have skewered the paper at A and B. Now make a sharp crease which will perfectly bisect AB.
Posted by Larry
on 2005-01-30 04:28:17