B.B.C. Article

Metallic ink was used to inscribe scrolls regarded as an archaeological wonder, according to scientists.
The discovery pushes back the date for the first use of metallic ink by several centuries.
The Herculaneum scrolls were buried by the eruption of Mount Vesuvius in AD79 and are charred and fragile.
Previous efforts to read them, over many centuries, has damaged or destroyed some of the scrolls.
The task of reading the surviving scrolls has fallen to scientists using technology such as the European synchrotron, which produces X-rays 100 billion times brighter than the X-rays used in hospitals.
Last year, physicists used the 3D X-ray imaging technique to decipher writing in the scrolls

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Onyx8 wrote:Science rocks.