Spotted near airforce bases, these curious painted asphalt patterns are Cold War artifacts. Click here to enter the gallery Consider it a barcode for bombers--an eye test for spy planes. Across empty stretches of the United States, an odd Cold War artifact persists. via Pocket http://m.popsci.com/technology/article/2013-02/captured-on-googl-earth-mysterious-barcode-patterns-strewn-across-us-land
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