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3 results for “LBMA chain of integrity” in Science
Science · 10 August 2026
Where Gold Actually Comes From
…urce and running water sorts it by density. · Why the geology explains the industry · The chain from neutron star to earring is a chain of improbabilities, and each link constrains what the modern industry can look like. Because the r-process is rare, gold is scarce in absolute t…
Tomas Herrera · 18 min read
Science · 8 August 2026
The Metal That Went Medical
…erial earns its price. Reproducibility is worth more than raw cost in a diagnostic supply chain. · Beyond the strip · Immunogold labelling has been standard in electron microscopy since the 1970s: attach gold particles of a defined size to an antibody, and their electron density…
Amara Okonjo · 15 min read
Science · 9 August 2026
The Metallurgy of Karat
Pure gold is too soft to hold a stone, too soft to hold an edge, and the wrong colour for half the world's taste. Almost everything you own that is gold is a designed alloy — and the design is where t…
Tomas Herrera · 16 min read
