Pendulums of different lengths display various waves. Very simple, yet hypnotic. Where can you buy something like this? -via reddit
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This would be a great video if it involved almost any other country except CHINA. The poor bears on China's Bear Bile farms suffer and endure immeasurable pain and horror. Pandas are great, but China, well I have nothing good to say about China.
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The poor bears on China's Bear Bile farms suffer and endure immeasurable pain and horror.
Pandas are great, but China, well I have nothing good to say about China.