The material, which was purchased from a little-known Chinese company, was sold with falsified documents and used in parts that went into jets from both manufacturers.
Category: Metals and Minerals
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Electric Cars Are Suddenly Becoming Affordable
More efficient manufacturing, falling battery costs and intense competition are lowering sticker prices for battery-powered models to within striking distance of gasoline cars.
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An Often Unseen Setting Reappears
High jewelry designers are bringing metals back into view so the work is not just about the gemstone.
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Mining Giant BHP Makes $39 Billion Bid for Rival Anglo American
The deal would create one of the largest copper miners at a time when demand is soaring for the metal used for many green technologies.
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Can Europe Save Forests Without Killing Jobs in Malaysia?
A new regulation aims to rid the palm oil supply chain of imports that come from former forestland. Southeast Asian countries say it threatens livelihoods.
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Jewelry Designs Come to Him in a Kind of Dream
When he wakes up, Adam Neeley said, “I have the piece perfectly imagined in my head like it’s already done.”
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Brushed Gold Becomes the Finish of the Moment
Designers say the matte surface creates an interesting play of light for their pieces.
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Watchmakers Have a Love-Hate Relationship With This Metal
Designers are attracted to tantalum’s unusual blue-gray sheen. But then their artisans learn how dense it is and start complaining about broken tools.
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Zircons Are Not the Gem You Probably Think They Are
There is a lot of confusion between zircons, a mined mineral, and cubic zirconia, an inexpensive synthetic crystal. But jewelry designers know the difference.
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Pandora Now Only Sources Recycled Metals for Its Jewelry
Is that as good as it sounds?
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Bitcoin Funds Are Here. But You Probably Don’t Need Them.
Fear of missing out isn’t a great reason for investing in the new Bitcoin funds, our columnist says. Plus, Bitcoin may already be hidden in your portfolio.
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Timepieces Set in Stone
Watches with ornamental hard stone dials are making a comeback, but they still are quite rare.