No gold jewellery, including 14-carat gold, which has low purity, rusts. Gold jewellery ages whether worn or not, but it does ...

Scientists have discovered evidence that Earth's oceans were once green, hinting that this could be a marker of early life, ...

Tools can be a lifetime investment that get passed down from generation to generation, but improper handling and care can ...

These help to break up the spent cathode material from the batteries -- lithium-coated nickel cobalt manganese oxide (NCM ... ions are oxidized to iron(III) ions and oxygen ions from the oxidic ...

Researchers have developed a new method for recycling spent battery materials that can extract 99.99% of the lithium from used cathodes. The method is pH neutral and uses significantly less energy ...

A new strategy for recycling spent lithium-ion batteries is based on a hydrometallurgical process in neutral solution. This allows for the extraction of lithium and other valuable metals in an ...

She explained the white paint was made from “volcanic ash mixed with mucilage, a plant sap,” and the red was “ferric oxide,” a natural clay. She also noted the shaman is thought to have ...

Imagine the world’s oceans with their beautiful blue color. Now, imagine that the same oceans were green. This is the intriguing possibility suggested by new research from Nagoya University in Japan.

Michał Fundowicz is a tape enthusiast through and through. He runs the Molt Fluid cassette label which unites experimenters working in fields loosely adjacent to sound art and musique concrète but ...