1 Society’s care of the indigent is fascinating. It is both compassionate and mindless. Case in point: how it kept Stephen, L.’s son, a lifetime drug aficionado, alive at great cost and no expense to him, while uninsured and under-insured working stiffs can lose the accumulations of a lifetime, for the same care or less. 555 more words
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In physics, the field effect refers to the modulation of the electrical conductivity of a material by the application of an external electric field. In a metal the electron density that responds to applied fields is so large that an external electric field can penetrate only a very short distance into the material.