Magnetic paint is a primer with tiny iron particles mixed in. (remodelista.com)
They could produce iron particles as they grow, which could become components in electronics that are a hybrid of biology and machine. (science.howstuffworks.com)
It is a real - time damping system that replaces conventional mechanical - valve shocks with electronically controlled shocks filled with a synthetic fluid containing minute iron particles. (corvettemuseum.org)