[Travis McGee]

A collapse 73 years ago, and another one coming.

http://www.backwoodsengineer.com/2013/11/a-collapse-73-years-ago-and-another-one.html

Tacoma Narrows Bridge failure, an analogy concerning an increasing amplitude feedback loop.

[cyn]

Thanks for posting that link — helpful analogy. Don’t want to lose it.

http://www.backwoodsengineer.com/2013/11/a-collapse-73-years-ago-and-another-one.html