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8.5cm Rotation Magnetic Levitation Globe
8.5cm Rotation Magnetic Levitation Globe
Deal Price: $34.40
Shipping: Free
Site: dx.com
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Magnetic levitation globe using current magnetic effect makes the globe float in midair. At the top of Globe there is a magnet,a coil of wire inside the top of circular plastic box,metal coil by current will become electromagnet. The suction between electromagnet and the globe top magnet can be offset by the gravity of the globe, so the globe can float in midair. Touch globe gently to deviate from the equilibrium position,the globe will return to the balance position and will not drop without hand. This is the use of negative feedback mechanism.
Packing List 1 x Globe
1 x Support
1 x AC power charger (100 ~ 240V / EU plug /110CM).
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