Search
Search the whole magazine.
Full-text search across every article — headlines, decks, body copy, pull quotes, captions and FAQs — plus our editorial and legal policies.
6 results for “treasure act” in Industry
Industry · 7 August 2026
After the Cyanide
…iced, the shortfall lands on the public purse decades later. · Why is cyanide used to extract gold? Because gold in ore is present at parts per million and locked in rock. A dilute alkaline cyanide solution — typically well under 0.05% — dissolves gold selectively into a soluble…
Tomas Herrera · 17 min read
Industry · 7 August 2026
How Fake Gold Is Detected
…s. · Tungsten is the counterfeiter's material of choice because its density is within a fraction of a percent of gold's, defeating simple weight-and-volume checks. · XRF is fast, non-destructive and reads only the outer tens of microns — it validates surface composition, never th…
Tomas Herrera · 15 min read
Industry · 4 August 2026
The Gold Inside Your Phone
…ecified where a connection must not degrade: it does not form an insulating oxide, so contact resistance stays stable for decades. · Substitution is real and mostly already happened — copper bonding wire displaced gold across high-volume packaging years ago. · Industrial demand i…
Tomas Herrera · 15 min read
Industry · 6 August 2026
The Scrap Trade
…be operating at a loss. · Is recycled gold better for the environment? It avoids the extraction impacts of new mine supply, which is a real difference. The claim is weaker than it looks in aggregate, though: recycled supply largely responds to price rather than displacing mine p…
Ingrid Sørensen · 15 min read
Industry · 28 July 2026
Urban Mining: The Richest Gold Ore on Earth Is in Your Old Phone
…rgy; the chemistry has been solved for decades. · Informal backyard recovery captures a fraction of the gold while releasing the most toxic residues. · Recycled metal already supplies a meaningful share of annual refinery feed and is the only supply source that responds quickly t…
Tomas Herrera · 13 min read
Industry · 2 July 2026
Nine Nines: Inside a Modern Gold Refinery
…an be skimmed. Silver becomes silver chloride and joins the skim. Gold, being the least reactive thing in the crucible, is left behind. · The operator's signal that the reaction is complete is visual: the fume above the melt shifts colour as chlorine begins attacking gold itself,…
Tomas Herrera · 12 min read
