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How you show you didn't watch without saying it. The 'temperature differences and ... coefficient of expansion' are overpowered by the vortex street shedding off the structure. The sponsor of the video was Air Shaper.
The Burj Khalifa, the current tallest, is four sided and has a tuned mass damper. The trianglar tower doesn't. There is also some benefit to the taper. less cross section at higher elevations.
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.Without freedom of speech we wouldn't know who all the idiots are. -- anonymous poster
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