Three ferrromagnetic liquid droplets containing iron oxide nanoparticle dispersions were shaped into cylinders using a microfluidic device, and then locked in shape by the formation of magnetic ...

A robot boat with a propeller made from liquid magnets could be a safer alternative than solid metal blades, which can damage wildlife. Jun Shintake at the University of Electro-Communications in ...

Lodestone, a naturally-occurring iron oxide, was the first persistently magnetic material known to humans. The Han Chinese used it for divining boards 2,200 years ago; ancient Greeks puzzled over why ...

The best candidate for next-generation magnetic devices—technology that can power, store, sense or transport information—may be, counterintuitively, antiferromagnets. Today, the most widely used ...

Common magnets can pull rare earth metals from water and start crystal formation, offering a lower-energy alternative to traditional methods.