Make a Piece of Graphite Foat

From Wiki 5A

What Do I Need?

The first thing you need to do is get four neodymium magnets, a piece of pyrolytic graphite, or you could just go out and buy yourself a Diamagnetic Levitation Kit. Then you need to read the instructions below:

Instructions

1. Take the magnets and put them together according to the picture below. (To the left.)

Magnet Format
Enlarge
Magnet Format

2. Put the piece of pyrolytic graphite on top of the center of the four neodymium magnets.

3. Watch it float!