The Perpetual Motion Rotating Political Map Globe
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Product Story
This is the world's most advanced globe, capable of continuously rotating on its own without any need for human contact, cords, or batteries, and most faithfully recreating the earths rotation in space right at your desktop. Developed in the U.S. over six years by a team of physicists and artists, the globe operates in apparent violation of the laws of thermodynamics, which state that perpetual motion is impossible. The globe encloses a photoreceptor that gathers room light to power an internal drive that spins the globe by means of a force from the earth's magnetic field. The globe consumes a mere .1 microwatts (1/10th of 1 millionth of a watt) of power, an infinitesimal amount that would normally be too small to move an object of the globes weight, unless the drag forces were also infinitesimal. The globe is suspended in a clear liquid inside a clear acrylic shell: the liquid reduces friction against the globe, allowing it to rotate continuously and silently at a steady, gentle pace, exactly the way the earth rotates in space. The globe can even be held in the hand and it will continue to spin. The internal mechanism is imperceptible beneath the globes colorful surface that shows a political map with topographical shading, major cities and countries, and bodies of water labeled. Prolonged exposure to sunlight should be avoided. 9" H (with stand) x 6 1/2" Diam. (4 1/2 lbs.)
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Items that we sell are guaranteed for their normal life under standard non-commercial use. Should any product fail to meet your expectations, we will replace it or refund the cost of the item less shipping and service fees. Returns older than one year will be credited in the form of a gift certificate.
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Read Our StoryThe affiliated, independent Hammacher Schlemmer Institute was created in 1983 to rigorously research, test and rate products to make the Best products available to our customers.
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