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With a legacy of more than 100 years, the Better Business Bureau (BBB) is the go-to watchdog for evaluating businesses and charities. The nonprofit organization maintains a massive database of ...
John Zils, structural engineer and designer of this mega-structure, shares some of the tower's secrets. And get a behind-the-scenes look at some of the various systems and controls that are vital to the building, such as security monitoring, elevators, the water and power distribution that supplies its many floors, and even the machines that ...
The Better Business Bureau (BBB) is an American private, 501(c)(6) nonprofit organization founded in 1912. BBB's self-described mission is to focus on advancing marketplace trust, [2] consisting of 92 independently incorporated local BBB organizations in the United States and Canada, coordinated under the International Association of Better Business Bureaus (IABBB) in Arlington, Virginia.
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A space fountain is a dynamically supported structure held up by the momentum of masses which are shot up to the top at high speeds from the ground. A launch loop (or Lofstrom loop) is a dynamically supported 2000 km long iron loop that projects up in an arc to 80 km that is ridden by maglev cars while achieving orbital velocity.
This is a list of megaprojects, which may be defined in the following categories: . Projects that cost more than US$1 billion and attract a large amount of public attention because of substantial impacts on communities, the natural and built environment, and budgets.
Megascale engineering (or macro-engineering) [1] is a form of exploratory engineering concerned with the construction of structures on an enormous scale. [2] Typically these structures are at least 1,000 km (620 mi) in length—in other words, at least one megameter, hence the name.
The war between two top survival shelter firms has encompassed court battles, accusations of arson and murder, and wild tales of FBI double agents. Inside the bitter feud roiling the doomsday ...