I recently wrote a column on pendulums and another on navigation that included mention of the Global Positioning System (GPS). The latest issue of the American Scientist has an article that connects pendulums with GPS. I thought that was a cool coincidence and the discussion about GPS got me thinking about one of my special…

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On New Year’s Eve we become obsessed with time. It’s the one night of the year when we count seconds to be able to celebrate the moment when the new year begins. Why are we so focused? It’s probably either some deep psychological thing or just whimsy, but regardless it made me aware of time…

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