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Gently hold and pull the two wires apart, and watch the magic unfold! The two wires appear to be unwinding, but in fact, they never do. Keep pulling and the wires will turn in a never-ending spiral. It is an amazing optical illusion, or alternatively you can think of it as a neat magic trick.This charming little trick is very easy to perform, making it a great toy for children and kids, and a fun fidget desktop accessory for adults.
This simple yet puzzling optical illusion occurs because your fingers are allowing the metal spiral to slip through them, as you move your hands apart. The two wires are rotating, but only your hands are actually moving apart!
This is quite a famous illusion, sometimes known as the "Mephisto Spiral".