"Things You Wouldn't Know If We Didn't Blog Intermittently."
The edit *is* frustrating.
Forces and center of gravity...The last toothpick used (middle pick) pushes the bottom pick under the table, shifting the systems center of gravity from outside the table to underneath. Once underneath the systems force is transmitted to a point on the top toothpick that is on the table rather than off the table...
Got it!! Thank you. Need to practice up to show the little kids in the neighborhood.
But I so like the way Kniffler thinks.
If anyone every wanted a physical expression for "circular reasoning," there you go.