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3 results for “London Bullion Market Association (LBMA)” in Science
Science · 8 August 2026
The Metal That Went Medical
…old-coloured, stops being inert in the way you expect, and starts doing work in places no bullion bar could reach — including the test strip that told you whether you had a virus. · Gold nanoparticles are red because collective electron oscillations — surface plasmons — absorb gr…
Amara Okonjo · 19 min read
Science · 9 August 2026
The Metallurgy of Karat
…and marking since a medieval statute of 1300, administered today by four assay offices — London, Birmingham, Sheffield and Edinburgh — each stamping its own town mark alongside the fineness figure, the sponsor's mark and a date letter. France, Switzerland and much of the Gulf ru…
Tomas Herrera · 17 min read
Science · 10 August 2026
Where Gold Actually Comes From
…and accelerators. The yields are measured in micrograms and the cost per gram exceeds the market price by orders of magnitude. Transmutation is a demonstration of physics, not a supply source. · Will asteroid mining change the gold market? Not on any timescale a reserve manager n…
Tomas Herrera · 17 min read
