Twistor

Twistor was agnate in concept, but instead replaced the annular magnets with alluring band to abundance the patterns. The band was captivated about one set of the wires, say X, in such a way that it formed a 45-degree helix. The Y affairs were replaced by solenoids wrapping a cardinal of twistor wires. Selection of a accurate bit was the aforementioned as in core, with one X and Y band actuality powered, breeding a acreage at 45 degrees. The alluring band was accurately called to alone acquiesce magnetization forth the breadth of the tape, so alone a distinct point of the twistor would accept the appropriate administration of acreage to become magnetized.