Statistical Process Control (SPC) is used to monitor the process stability which ensures the predictability of the process. In 1920‟s Shewhart introduced the control chart techniques that are one of the most important techniques of quality control to detect if assignable causes exist. The widely used control chart techniques are R X  and S X  . These are called traditional variable control ch...

Walter Glannon has written a stimulating and engaging paper on a subject of increasing importance. The nub of the argument is that an extension of our biological lives would not entail a corresponding extension of our psychological lives and could, beyond a certain point, result in the loss of personal identity. Glannon produces some philosophical and some scientific arguments in support of thi...