O Wild West Wind, thou breath of Autumn's being
Thou from whose unseen presence the leaves dead
Are driven like ghosts from an enchanter fleeing,
Yellow, and black, and pale, and hectic red.
Percy Bysshe Shelley
In the long history of evolution it has not been necessary for man to understand multi-loop nonlinear feedback systems until very recent historical times. Evolutionary processes have not given us the mental skill needed to properly interpret the dynamic behavior of the systems of which we have now become a part. J. W. Forrester, 1971
My Nono and Nona emigrated from small villages in the province of Trapani in southwestern Sicily in 1898. My wife and I visited the region b...
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