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  1. From the January 2, 1932 issue

    CONCRETE RIBBONS TO CARRY TRAFFIC OF GREAT HIGHWAY Thin ribbons of concrete arching through the air, that will carry on a 42-foot wide pavement, traffic of one of the countrys chief east-west thoroughfares, the Lincoln highway, are skillfully depicted in this photograph of the George Westinghouse Memorial bridge nearing completion at East Pittsburgh. The arches […]

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  2. Where Lightning Strikes

    New maps of data from space-based optical sensors reveal the uneven distribution of lightning strikes across the globe. The NASA maps show that lightning avoids the ocean, but likes Florida. It’s attracted to the Himalayas and central Africa. It almost never strikes the north or south poles. Go to: http://science.nasa.gov/headlines/y2001/ast05dec_1.htm