Cyberman choosing to fill in gaps in the history of the Cybermen or depict new encounters between them and the Doctor. The species also appeared in the "Doctor Who" TV spin-off "Torchwood", appearing in the fourth episode, "Cyberwoman" (2006). The name "Cyberman" comes from cybernetics, a term used in Norbert Wiener's book "Cybernetics or Control and Communication in the Animal and the Machine" (MIT Press, 1948). Wiener used the term in reference to the control of complex systems in the animal world and in mechanical networks, in particular self-regulating control systems. By 1960, doctors were performing research into surgically or mechanically
Critical understanding context is not meant in a negative sense; rather it outlines a process of thinking. Critical understanding is used to define the process of formulating and understanding a complex problem or difficult set of ideas. In a general sense, it is, ‘a consequence of men’s [sic] beginning to reflect about their own capacity for reflection, about the world, about their position in the world.’ The notion of critical understanding is closely related to the concept of Critical Thinking, described as, ‘reasonable reflective thinking focused on deciding what to believe or do.’ Critical thinking has also been described as, ‘thinking about