In my classroom – Lecture 13: “Shear strength”   This piece has been commissioned by a colleague of mine for the Civil and Environmental Engineering Department at Duke. The commission has wisely been vague on the subject of the opera, …

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Dancing on my tail… The expression “dancing on their tail” was for me always appealing as representing something equivalent to a bold or beautiful achievement bordering on impossible. I do not even know where I picked up this expression from. …

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