Physicists at the University of Barcelona has created a magnetic wormhole. This device can transport a magnetic field from A to B without being detectable in the intermediate space. In science fiction wormholes are a popular method of interstellar travel as it allows apparent faster-than-light travel. However, the magnetic wormhole does not allow material objects to be transported but one never knows where this development will end.
Read more: Magnetic wormhole connecting two regions of space created for the first time (Science Daily)