This is device that has been worked on by Physicists; it works on the same principle of the earth using light and magnetic forces to rotate.
There are no batteries or strings used; the globe actually spins on its own, although it is contained with a clear a shell.
Features – The globe is suspended in a clear liquid inside a clear acrylic shell, creating a frictionless environment (much like the earths) that enables the globe to rotate steadily and silently at a gentle pace. The acrylic shell can spin 360ยบ in any direction yet the globe itself will always remain upright and in proper alignment. The globe comes with an acrylic stand but it will rotate on most other surfaces, including your hand. The 8 1/2″-diameter globe portrays a political map of the world labelled with 3,500 place names, including continents, countries, cities, and bodies of water. 12″ H x 8 1/2″ Diam. (12 3/4 lbs.)
Priced at $399.95
Source [Hammacher Schlemmer]
One Response to Rotating Solar Powered Globe
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Sounds like it works similar to a giant compass?