News tagged with gold

Using X-ray vision to detect unseen gold

Powerful X-rays can now be used to rapidly and accurately detect gold in ore samples, thanks to a new technique developed by CSIRO – a move that could save Australia's minerals industry hundreds of millions ...

dateAug 08, 2013 in Materials Science
shares0 comments 0

Earth's gold came from colliding dead stars

We value gold for many reasons: its beauty, its usefulness as jewelry, and its rarity. Gold is rare on Earth in part because it's also rare in the universe. Unlike elements like carbon or iron, it cannot ...

dateJul 17, 2013 in Astronomy
shares0 comments 90