TY - BOOK AU - Vogel,Steven TI - Cats' paws and catapults: mechanical worlds of nature and people SN - 0393319903 U1 - 571.43 PY - 2000///, CY - New York PB - Norton KW - Biomechanics KW - Mechanics N1 - Noncoincident worlds -- Two schools of design -- The matter of magnitude -- Surfaces, angles, and corners --The stiff and the soft -- Two routes to rigidity -- Pulling versus pushing -- Engines for the mechanical worlds -- Putting engines to work -- About pumps, jets, and ships -- Making widgets -- Copying, in retrospect -- Copying, present and prospective -- Contrasts, convergences, and consequences ER -