Inertial Block - 1F20.10

- Place the block near the top of the pipe.

- Tap the pipe on the floor or table top and watch the block move down the pipe.

- Hold the PVC pipe near the top with one hand and tap the top of the pipe with a mallet.

- Watch the block move back up the pipe.

Location: Jacobs B122 - Shelf 371

Video:

Inertial Wooden Disks - 1F20.11

-  Stack wooden nickels.
-  With a flat plastic ruler whip the ruler back and forth, knocking the disks out from the bottom of the pile.
-  The stack remains in place while the bottom disk is knocked out by the ruler.
Location: Jacobs B122 - Shelf 264

Video:

Smash Your Hand – 1F20.20

-  Place a lead brick on a hand or on a piece of fruit.
-  Hammer the brick, give it a good whack.
-  The person doesn’t howl with pain.

Location: Jacobs B122 - Shelf 352