THE lattice parameters of martensite and austenite in steels (carbon content varying from 0.57 to 1.74 per cent) have been extensively studied; but considerable discrepancies exist in the values ...

The air pad system comes with nine individual pads: three big ones and six small ones that can be placed in any helmet with a ...

Researchers have taken a novel approach to studying the interaction between certain topological metamaterials and sound wave ...