According to the manufacturers, "The Levitron automatically compensates for changes in weight by making up to 1,000 corrections per second to the electromagnets contained within the base."
Are you thinking what I'm thinking? "Buy 80 and build a hoverboard for your little brother?!" Wow, it really is like you and I share one big, retarded brain. To my basement workshop! "This...is your bedroom." I'm getting under the covers!
Hit the jump for a video demo.
Thanks to Mark, who once hovered a ping-pong ball over a hairdryer for 30-seconds before the audience started leaving.