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How Stuff Breaks!

Sometimes we want things to break . . .

Picture of a soda can about to be popped open.

Breaking is not always a bad thing. With soda cans, for example, we want the rim around the opening to break before anything else. Have you ever had the pull tab break off before the can opens? Don't you hate it when that happens? Think of two different explanations for this kind of soda can failure.

Sometimes we don't!

Black-and-white photo of the famous collapse of the Tacoma Narrows suspension bridge.  High winds in the area led to harmonic vibrations of the bridge, tearing it apart.  The collapse sequence was captured on film and has been studied extensively.

For obvious reasons, we want bridges to be strong and hold up to a many different environmental conditions.

For more information on the Tacoma Narrows Bridge disaster, these online references are a good place to start:

 

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