Copper miners and smelters are late agreeing charges for processing concentrate for next year, three sources with knowledge of the talks said, with smelters seeking a rollover while miners are ...

Using redstone, hopper minecarts, and precision timing, I designed a massive auto-smelting factory that melts through stacks ...

Consisting of 500 concave mirrors mounted on a heliostat that allows them to track the Sun, each is focused into furnace’s ...