Junior Member
Registered: 11-06-09
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Junior Member
Registered: 11-06-09
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yeah its fake, you can buy them at slipperyspheres.com
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Senior Member
Registered: 12-16-08
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The liquid simply has the same refractive index as the marbles. For example, it could be turpentine and glass marbles. As long as the refractive index is the same, the marbles will be "invisible" in the liquid.
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