Spruce Pine provides 90% of the world's quartz. Quartz is used to produce silicon, a vital component of semiconductors in ...

The sneakers, clothes, and electrolytes needed to run the "Toughest Footrace on Earth." It's 135 miles in 117-degree heat, ...

The changes of electric characteristics of induction crucible furnace in early period of melting the charge have been studied by using computer simulating. As a result the characteristics of active ...