Eating Nails

A humorous story from a Harvard Professor...

"A few years ago, I taught the following lesson in my daughter's kindergarden class and my graduate methods class in the same week. It worked pretty well in both. Anyone who has a kid in kindergarten, some good graduate students, or both, might want to try this. It was especially fun for the instructor..."

link

(ht: Ernie's 3D Pancakes)