It is a clever optical illusion. The real center of rotation of the "flags" is not where you think it is  How many flags are going uphill to going down hill? it can't work, there is no gain in weight on one side, only a loss  Run the vid in slow motion and look at the flags only. The motion is run by an external means, not the flags. regards Mike
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"All truth passes through three stages. First, it is ridiculed, second it is violently opposed, and third, it is accepted as self-evident." Arthur Schopenhauer, Philosopher, 1788-1860
As a general rule, the most successful person in life is the person that has the best information.
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