Which outcome occurred due to differential wood shrinkage in early ship hulls?

💡 Explanation

Reduced structure occurred because varying wood densities experienced non-uniform drying; inducing stress via differential shrinkage. Stress concentration led to warping and weakening via wood joint separation, therefore structural integrity was lessened, rather than improvements elsewhere.

• Which outcome increases when seasoning timber too rapidly during wooden ship construction?
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• Which optical distortion increases when using parabolic mirrors with imperfections during medieval Islamic astronomical observations?