The Tank that Filled Itself

Every child wonders, sooner or later, how it is that simply wanting one’s hands, arms, legs, body, head, or eyes to move suffices to create the wanted result…. — So begins this lovely essay and overview of the fundamental issues that cry out for answers. […]

From Reorganization to Evolution and Back
The concept of reorganization as such is irrefutable, but how can it work? In this essay and final comments, Bill Powers touches on the source and evolution of his thinking over the years. […]

The BYTE articles are a book unto themselves – a four-part introduction to PCT and modeling. […]