# Euler-Lagrange equation

… is the Euler-Lagrange equation, a generalization of Newton’s second law.

— Kenneth Young

2010.02.25 Thursday ACHK

# Design and Research

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The difference between design and research seems to be a question of new versus good. Design doesn’t have to be new, but it has to be good. Research doesn’t have to be good, but it has to be new. I think these two paths converge at the top: the best design surpasses its predecessors by using new ideas, and the best research solves problems that are not only new, but actually worth solving. So ultimately we’re aiming for the same destination, just approaching it from different directions.

— Paul Graham

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2010.02.25 Thursday $ACHK$