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Guided by an external magnetic field, miniature biocompatible robots, made of magnetizable iron oxide nanoparticles, can theoretically provide medical treatment in a very targeted manner.

Thanks to the development of an MRI-compatible microrobot injector, the scientists were able to assemble "particle trains," aggregates of magnetizable microrobots.

The Indiana project would use magnetizable concrete to enable wireless charging of electric vehicles, according to an Indiana Department of Transportation news release.

The facility's shielding consists of layers of a highly magnetizable metal that ensnare fields so they do not pass through to the structure's interior.

Typically, magnets are used to sift for zircons, which contain magnetizable minerals such as magnetite—but that would have altered any remanent field in the zircons.