Search results for: crystal

Prophet's ancient seal provides insights from antiquity

When a personal artifact of a religious leader is discovered nearly 1,700 years after its use, the object provides invaluable historical insights. Zsuzsanna Gulacsi, professor of Comparative Cultural Studies, ...

1 hour ago
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Keeping hydrogen from cracking metals

Metal alloys such as steel and zirconium that are used in pipes for nuclear reactors and oil fields naturally acquire a protective oxide or sulfide layer. But hydrogen penetration can lead to their breakdown ...

Oct 28, 2014
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