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Outdoor Elements - Solar Graphs

Episode #1510 - Solar Graphs
Each day of the year that the sun goes overhead it travels on a slightly different path. A cool way to capture that path is with a Solar Graph. It's kind of like a pinhole camera, and Chuck Bueter will demonstrate how to make one and what the images look like. Here is a great place to see examples done locally: http://www.nightwise.org/single-post/2016/12/22/Snapshots-of-Time
Original Airdate: March 12, 2017
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