This levitating magnet uses Hall effect sensors and a microcontroller to adjust the strength of the electromagnetic field. This happens so quickly that the magnet seems to just hover there.

Google translated project page

via Hacked Gadgets

This entry was posted on Monday, November 24th, 2008 at 3:34 pm and is filed under gadgets. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.