Low-friction, high-stiffness ball guides support on one rail (top) or two (bottom). The trade-offs for this performance are higher cost and more noise. The shortest path between two points is a ...

Alogic is trying to simplify the convoluted world of charging with its new Matrix platform that all works together with a removable MagSafe-compatible battery pack, but it comes at a pretty steep cost ...

The class of materials known as ceramic matrix composites, or CMCs, shows considerable promise for providing fracture-toughness values similar to those for metals such as cast iron. Two kinds of ...