Daily Challenge Today 1558

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My name is Juli.

This photo was taken yesterday at the Museum of Science in Barcelona.
You know what skipping rope or jump rope is?
In the museum they had an installation consisting of a rope of some 5 metter length, each end attached to a device that turned at varying speeds.
The rope was tight at the start, then it was released and got longer as the device started turning.
Then the rope was not tight and I could see several adjacent sections like the one in the picture.
My poor English and my ignorance of technicalities makes difficult a better explanation.