Word: coppers
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Every hundred years, some wag remarked as the Statue of Liberty was undergoing its two-year, $66.3 million restoration, a lady needs a face-lifting. Well, maybe it was too much to expect the refurbished copper statue to shine like a newly minted penny at its rededication on July 4. Even so, why have parts of the statue's left cheek, left neck and torch arm developed what the New York Daily News last week delicately dubbed a skin problem? The dark spots, it turns out, are acid stains, caused by pollutants that began eating away at the statue...
...until 90 minutes after the murder. Investigators were reportedly so sloppy in examining the scene that the only physical evidence of the shooting, two bullets, was actually found by passersby. And police drew scorn upon themselves when they publicly announced their puzzlement at the origin and uniqueness of the copper-tipped .357 Magnum cartridges, which could have been purchased in a sporting-goods store a block away from the Prime Minister's office...
...them, one at a time, to the proton beam. The results of those tests, begun in 1982, are still being evaluated, but most of the doubts about Gutenberg's role have vanished. The Davis tests established that instead of carbon-based ink, the German printer employed a slurry of copper and lead for his famous Bible. Printed characters in both of the 36-line works, the X-ray patterns showed, consisted of an almost identical mixture. The conclusion: Gutenberg printed all the works, and the 36-liners were his earlier attempts to perfect the art of printing...
...made the trip to Davis, where researchers confirmed that the documents had been preserved by being soaked in salt water, probably from the Dead Sea. They also found that earlier scrolls were written in the purest carbon-based inks. But ink on the later scrolls contained elevated levels of copper. The significance, Schwab speculates, is that a change in rabbinical decree might have allowed the substitute ink to be used if none other was available...
...said it was copper-coated, and that a brass coating was more common...