8 in x 5 1/2 in x 5 1/2 in / 20.3 cm x 14 cm x 14 cm
This is a 4 inch / 10 cm diameter magnetic, levitating globe.
The electromagnetic suspended globe is an impressive high-tech instrument. A magnetic field sensor permanently measures the height at which the globe sphere is suspended. The sensor and the micro computer in the base control an electronic magnet in the upper part of the frame and therefore check the distance between globe sphere and magnetic head.
An additional, permanent magnet in the base hold the sphere safely on the frame when the suspension mechanism is switched off.
Note: This video is not of the same levitating globe but it shows you what the levitating globe is doing.
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