The wearable-tech company Ultrahuman has debuted the Rare smart ring, which is hand-crafted with 18-karat gold and platinum.
Californium, a metal first synthesized in 1950, is the world's most expensive material due to its extreme rarity and its ...
UBS remains long gold (XAUUSD:CUR) in its global strategy with a target of $2,850/oz, and likes to sell downside price risks ...
Diamond, often celebrated for its unmatched hardness and transparency, has emerged as an exceptional material for high-power ...