Скачать или смотреть The 600,000 lb Load That Snapped the I-35W Bridge

You drive the same commute a thousand times, trusting the asphalt. You trust the steel. But on August 1st, 2007, for the people suspended 114 feet over the Mississippi River, that trust vanished in exactly 3 seconds.

Parked dead-center on the I-35W bridge was a 600,000 lbs Trigger , resting directly above a 40-year-old mathematical error which had reached its absolute limit.
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