Tangential velocity on the surface of the tool or workpiece at the cutting interface. The formula for cutting speed (sfm) is tool diameter 5 0.26 5 spindle speed (rpm). The formula for feed per tooth ...

The Experimental Advanced Superconducting Tokamak achieved a remarkable scientific milestone by maintaining steady-state high-confinement plasma operation for an impressive 1,066 seconds. Credit: ...

Here’s how it works. China's "artificial sun" reactor has broken its own world record for maintaining super-hot plasma, marking another milestone in the long road towards near-limitless clean ...