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L.A. Reservoir
Posted 5 years ago by BrandonZ in category: interesting   Comments (0)


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A great explanation
Posted 5 years ago by crazzy in category: interesting   Comments (1)


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Laguna Beach, California
Posted 4 years ago by ARirang in category: interesting   Comments (0)



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Posted 13 years ago by Whirlpool in category: interesting   Comments (0)


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The Science and Mathematics of Sound, Frequency, and Pitch
Posted 13 years ago by 600bounce in category: interesting   Comments (1)