Outdoors, avoid standing near trees that could fall or utility poles that might topple. If you are in a city center with many tall buildings, look for a plaza or a wide street to stay in. If you are in a valley, be cautious of rockfalls. In addition, if you live in an earthquake ...
why the US unemployment rate rose by 4 percentage points in 24 months; why Bear Stearns was only (and barely) saved by a Federal Reserve bailout and Lehman Brothers collapsed; why many banks are underfunded; and why some totter on the brink, even after a bailout, and may yet vanish. ...
This is a gross oversimplification, of course, because tsunamis also take many lives, but not all earthquakes generate tsunamis. They do, however, cause buildings, bridges and other structures to experience sudden lateral accelerations. All of which leads to a logical question: Is it possible to...
Easter Island once collapsed under a population of 10,000. Now the island’s infrastructure and resources are being stressed by the growing surge of visitors. Available landfill area for non-recyclable waste is extremely limited. Being a responsible tourist on Easter Island is easy. Just don’t...
As an architect, I've often wondered why do we monumentalize the ancient wonders of civilizations that collapsed such a long time ago? I've traveled the world studying ancient innovation, and what I've found are Indigenous technologies from living cultures that are still in use. And some of...
Around 1830, French engineers had shown that cables consisting of many strands of wire worked better than chains to suspend bridges. Roebling developed a method for "spinning," or constructing, the cables in place on the bridge rather than transporting ungainly prefabricated cables and laboring them...
But in less than two hours, both towers had collapsed to the ground. Find out how the remarkable structural support system in these buildings eventually gave way in our article about the World Trade Center. Giant Girder Grids The pieces of a skyscraper's spread footing The central support ...
But in less than two hours, both towers had collapsed to the ground. Find out how the remarkable structural support system in these buildings eventually gave way in our article about the World Trade Center. Giant Girder Grids The pieces of a skyscraper's spread footing The central support ...
including overpasses, bridges and overhead wires. Remain in the car and pull the parking brake. When the shaking has stopped, travel slowly and be aware of pavement cracks, downed poles or wires and collapsed bridges or overpasses. If it's not safe to leave the car, remain ...
First she lost the top of the truck thanks to the bridge's low rafters. Undeterred, she continued until the bridge then did what bridges do when they're overloaded to the extreme - it collapsed. Lambright and her 17-year-old cousin who was riding with her in the cab escaped with no ...