MP Materials is building a business around the mining and processing of rare-earth metals. These metals are vital to modern technology, as they are used in a wide range of applications, from ...

Polymer matrix composites (PMCs) are made by reinforcing a polymer-based matrix with glass, carbon, or aramid fibers. PMCs are classified into thermosetting and thermoplastic resins based on the type ...

Composite materials are engineered by fusing different materials, typically consisting of a matrix (a polymer, metal, or ceramic) and a reinforcement (such as fibers, particles, or flakes) that ...

Graphene is often described as a wonder material. It is strong, electrically conductive, thermally efficient, and remarkably ...

MP Materials is a U.S.-based producer of rare-earth metals. It astutely positioned itself for the global shifts that are taking shape today. However, investors have priced in a lot of good news very ...

The original version of this story appeared in Quanta Magazine. In 2024, superconductivity—the flow of electric current with zero resistance—was discovered in three distinct materials. Two instances ...