A space-time coordinate is a way of specifying the location and time of an event in a four-dimensional continuum. The four dimensions are usually labelled as x, y, z, and t, where x, y, and z are the spatial coordinates and t is the temporal coordinate. A space-time coordinate can be expressed as an ordered set of four numbers, such as (x, y, z, t), or as a single number that combines the four dimensions, such as the Minkowski metric.
Political Propaganda The evolution of political propaganda from World War II to modern times is rich and complex, This article attempts to pull out differing themes we can see as they travel through time and Read more…
Critical thinking is an essential concept that refers to the self-guided, self-disciplined thinking that aims to reason at the highest level of quality in a fair-minded way. In this article we will look at the origins and influencers of the critical approach, and maps out the important foundations to this life changing system of thinking.
There are intrusive actions, intrusive feelings, intrusive emotions and intrusive thoughts. They are all intrusive, as they are not wanted, but there is no indication of them being from someone else, or an external influence.