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King of the swingers: photographer builds giant pendulum to make amazing art

 

The [2D] swings combine with each other to create swirling designs called Lissajous figures.

 

The patterns are so stunning that machines like Blackburn’s Y-shaped pendulum were made commercially in the Victorian era. They became known as “harmonographsâ€, since the variation in images results from the variation in harmonies between the different swings.

 


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