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.
3 results for “surface plasmon resonance” in Craft
Craft · 22 July 2026
Hallmarks and Assay: How Anyone Proves Gold Is Gold
…Fire assay remains the referee method; XRF is fast and non-destructive but reads only the surface. · Karat and fineness describe the same thing on different scales: 18ct is 750 parts per thousand gold. · Plating, filling and surface enrichment are the failure modes that surface-r…
Yusuf Demir · 12 min read
Craft · 5 June 2026
The Alchemy of Craft: What Goldsmiths Know That Machines Don't
…cific corner of a specific piece. Underheat and the metal stays brittle. Overheat and the surface begins to melt, leaving a pitted skin no amount of polishing will remove. Every experienced goldsmith has a ruined piece from the year they learned this. · The bench pin, the graver…
Yusuf Demir · 11 min read
Craft · 3 August 2026
The Wedding-Season Bid: How Jewellery Demand Sets the Floor
Half the world's gold is worn, not stored. In India and China that distinction barely exists — and the buying behaviour it produces is the most reliably contrarian force in the entire market. · Jewell…
Yusuf Demir · 16 min read
