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English Literature exams, for the most part, will require some form of cross examination. The A2 examinations demand students rigour in making links between various genres. Making tenuous links such as, &quo...

The Categorical Imperative was devised by Immanuel Kant to provide a set of requirements a maxim (or motivation) must pass in order for the action to be considered a moral obligation. When a Categorical Impe...

pointers exist in almost all programming languages and are used literally to 'point' to a particular piece of data. They contain the address in memory of the piece of data they point to. They are a useful wa...

A curly arrow is an arrow that shows the movement of electrons in organic chemistry. If the arrow is a full headed then it shows the movement of two electrons in normal chemical reactions. If it is a half he...

Entropy At a Basic Level Entropy, whilst a mathematical concept can be described as a measure of disorder. The more disordered, then the greater the entropy. Correspondingly, a perfect crystal at 0K (absolut...