Metamaterial Can Squirt A Magnetic Field Through A Hose

Magnetic fields normally wane as distance increases, but a new hose changes things. Electromagnetic waves can travel over long distances without interruption. But magnetism, the field that attracts or repels objects, only works at close range. Now a team of Spanish and German researchers proves otherwise: They have developed a 
"magnetic hose," capable of transferring a magnetic field across long distances in any direction they want. The problem is that magnetic fields decay very quickly with ...