So, what is direction, really? We can call it angular position, and we can call the change in angular position angular velocity, and we can call the change in angular velocity angular acceleration. In case it isn’t obvious, there is a stunning symmetry with length here. We can call it linear distance, where we can […]
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Direction is currently considered to be a ratio between lengths. This is different (mathematically and conceptually) from representing direction as a quantity. Ratios are not quantities. They are a comparison between two or more quantities, which is fundamentally different from how quantities themselves are represented.
The way that it’s mathematically expressed, space actually comprises a set of three 2D planes, arranged orthogonally. In this usage, each individual “dimension” is actually a plane, or a set of two perpendicular directions, where each direction is also called a “dimension.” The x and y dimensions combine to form the xy-plane which is perpendicular […]
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The simplest way to organize the information is to place things into two distinct piles, one which contains things that are known (proven), and another separate pile that contains speculation or theories that may or may not have merit. Since the entire topic is novel, there are no existing goalposts that can be applied in […]
Figure 1.1 The Map of Physics – Image by Dominic Walliman Direction (or orientation) is a component of space. No one seems to disagree with this arrangement. There doesn’t seem to be any authoritative source on whether direction is a property, quality, quantity, attribute, parameter, constant, or whatever. Some experts claim that it’s a thing that […]
The pages in this site have been arranged similarly to chapters of a book and cover specific topics. Each page has entries in the form of blog posts which relate to the individual concepts, or paragraphs. The reason that we’ve chosen this arrangement is that it allows us to easily maintain an edit history of […]