MATERIALS SCIENCE
Room-Temperature Superconductivity Claim Survives Replication — This Time With an Explanation
A team at Caltech has independently confirmed lutetium hydride superconductivity at ambient pressure AND provided a lattice-level mechanism. The field is cautiously watching.
MATERIALS SCIENCE
Metamaterials That Learn: A New Class of Adaptive Structures Changes Shape in Response to Mechanical History
Engineers have created a metamaterial lattice that accumulates a 'memory' of how it has been loaded and uses that history to optimize its mechanical response — without any electronics.