Ghost ships, crop circles, and soft gold: A GPS mystery in Shanghai Posted by feelthepress on Monday November 18, 2019 @05:10PM from the technologyreview.com dept. https://www.technologyreview.com/s/614689/ghost-ships-crop-circles-and-soft-gold-a-gps-mystery-in-shanghai/ ( no comments | 3 points | on HN )
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