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So it turns out Michael Jackson actually invented a special shoe for creating an anti-gravity illusion which he even had patented in the United States.
In 1970, four years before Erno Rubik invented the 3Ã3, Larry Nichols invented a 2Ã2 cube that used magnets to hold it together and received his patent two years later. A spherical 3x3x3 âamusement deviceâ was patented also in 1970 by Frank Fox, however neither of these concepts took off.