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Engineers blended two types of synthetic rope to make a 4.3-mile-long, 2-inch-diameter line that has a breaking strength of 355,000 pounds. Its superior strength minimizes elongation at full ocean depths, allowing cores to be recovered without disturbance to their stratigraphy (the layering of the sediments). (Tom Kleindinst, Woods Hole Oceanographic Institution)
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Posted: February 29, 2008
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