Why is Hoover Dam anti gravity?

According to reports, the structure of the dam creates such a hugely powerful updraft that the air pushes things back against gravity. The dam is shaped like a bow. This structure is the main reason for this unique phenomenon where even the water is pushed upwards by the air.



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Due to the strong updraft at the bottom of the dam, the water actually flows upward. We can actually see this phenomenon occur in a recent video shared on YouTube. Hoover Dam water bottle experiment!

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While the dam is expected to last for centuries, engineers predict the structure could last for more than 10,000 years, surpassing most remnants of human civilization if humans were to disappear from the earth. However, they also predict the dam's turbines without human intervention would shut down within two years.

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Hoover Dam is made from a whopping 6.6 million metric tons of concrete and is also curved towards its abutments, making the 'arch' that directs much of the water pressure towards the hard canyon walls, which are formed from strong volcanic rock.

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The next time you're at the Hoover Dam, be sure to try this fun and silly experiment. At the top of the dam, try pouring a bottle of water over the edge. What happens next will amaze. Due to the strong updraft at the bottom of the dam, the water actually flows upward.

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Downriver towns and major cities would see the most damage, in the event of the dam's physical collapse. Water flows would engulf many towns and growing cities around Mohave county, including Laughlin, Nevada; Needles, California; Lake Havasu, Arizona; and even as far south as Yuma, Arizona, and San Luis Rey, Colorado.

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The Hoover Dam relies on a steady water supply from Lake Mead. Without enough water, the dam would not be able to generate power. This would have ripple effects on the power grid and the economy, as the dam provides power to several states in the southwest United States.

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Officials have warned that dead pool could be reached by 2025, if the lake continues drying up at the rate it is currently.

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Mead reaches dead pool at 895 feet. If Lake Powell reaches dead pool, the US Bureau of Reclamation—which declined our interview requests—would be unable to meet its obligation to deliver water downstream to Lake Mead. In which case, 40 million people would be affected.

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According to reports, the structure of the dam creates such a hugely powerful updraft that the air pushes things back against gravity. The dam is shaped like a bow. This structure is the main reason for this unique phenomenon where even the water is pushed upwards by the air.

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Many people who take the tour here at Hoover Dam want to know when they will get to see the water go over the top of the dam. Well, the water has never gone over the top of the dam and probably never will.

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If the Hoover Dam ever breaks, the entire region downriver would suffer from immense flooding, a loss of available water for consumption and irrigation would create a humanitarian crisis, and the region would lose access to some power in the short term.

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But Joseph Stevens, author of “Hoover Dam: An American Adventure,” says he doesn't think a project like the Hoover Dam would get off the ground if it were attempted today. “Worker safety rules and environmental impact assessments would make the Hoover Dam too expensive.”

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Hoover Dam was built for a cost of $49 million (approximately $760 million adjusted for inflation). The power plant and generators cost an additional $71 million. The sale of electrical power generated by the dam paid back its construction cost, with interest, by 1987.

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