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Home » Video » DragonflyTV Kids Do Science - GPS vs Compass

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DragonflyTV Kids Do Science - GPS vs Compass

Duration: 09:54

One of my favorite things to do is hike in the Santa Monica Mountains. Because nobody likes the idea of getting lost, I always prepare before every trek. But what's the better navigation tool, a Global Positioning System (GPS) or a good old map and compass?

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Post Date: June 1, 2007