Opinion

Why Some Bridges Collapse

Only four months after completion in 1940, the Tacoma Narrows Bridge in Washington State collapsed. This new suspension bridge was based on what were presumed to be the full set of engineering requirements of the time, and was considered a state-of-the-art structure that had eliminated all possible risks. But unlike other bridges that served as models, this bridge was subjected to regular high winds. Suspended bridges experience “resonance,” a physics principle most of us encountered when we used a swing on a playground and additional pushes at the right time cause us to swing higher and higher.

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Simple questions

Recently, I visited a culinary school as part of a stakeholder advocacy training through American Farm Bureau’s Partners in Advocacy Leadership (PAL) program.

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Letter: A new regime

We are in a new regime now. If it doesn’t profit the ultra rich, forget it. If it requires empathy or social concern, it is… Login to continue reading Login…

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