Browsing: mining

The remaining 80% of the world’s copper comes from copper sulfide ores, which don’t dissolve well in acid. To extract…

Nickel may not grow on trees—but there’s a chance it could someday be mined using plants. Many plants naturally soak…

London – The U.K.’s Royal Mint, the country’s official coinmaker, has opened a factory that will extract gold from e-waste…