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This article starts by describing both the long wave and the immediate events within which the Panel 's work exists . Mazzocut starts by laying all the scientific , physiological data on me - about interstitial fluid and ventricles and the nervous system and spinal fluid and hormone delivery . This diagram starts by doing a 4 ball asynchronous outward-circles fountain , and then throwing an A from the right hand . Since the simplest possible stencil consists of just a single point , and since a major goal of POOMA is to make simple operations simple to implement , this tutorial starts by showing how to implement functions that are to be applied pointwise to each element of an array in turn . Specifically , each topic starts by posing a physical problem , showing then how the search for a solution leads to the discovery of new mathematical tools - - - tools that are today of standard use in pure and applied mathematics - - - and returning later to apply them to solve the stated problem .