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Scientists create a 'wormhole' for magnetic fields
Humanity is still a long way from creating space-time wormholes -- if they're even possible -- but that isn't stopping Spanish researchers from achieving something similar for magnetism. They've produced a wormhole-like effect that transports a magnetic field from one point in space to another through an "invisible" path. The trick was to transmit magnetic fields between two spheres linked by a multi-layer, spiraling cylinder whose materials hide the fields while they're in transit. It's as if they vanished, and then popped back into existence somewhere else.
