metals

Ötzi The Iceman’s Axe Came From Surprisingly Far Away

Ötzi The Iceman’s Axe Came From Surprisingly Far Away

Ötzi the Iceman — our favourite Copper Age corpsicle — is the gift that keeps on giving. A recent analysis of the metal found in the Neolithic hunter’s copper axe suggests a point of origin in Southern Tuscany, which is far from where Ötzi’s frozen body was found. This suggests…

A New Technique Can Weld Together Un-Weldable Materials

A New Technique Can Weld Together Un-Weldable Materials

In recent decades, material scientists have made ever-stronger metals — but the techniques used to weld them often ruin their properties. Now, a team has developed a way to weld together these previously un-weldable materials.

There’s $US2.5 Billion Worth Of Silver And Gold In Phones Sold This Year

There’s $US2.5 Billion Worth Of Silver And Gold In Phones Sold This Year

Your gadgets contain tiny specks of precious and rare earth metals — we rely on these dust-sized particles, which are so small they’re often not recycled because the cost of recycling outweighs the value of the metals. But according to the American Chemical Society, the overall value of these minute…