The insights on knowledge generators are inspiring, especially the paragraphs discussing on the development in mathematic symbols. Having studied math for over 16 years (since 1st grade in elementary school), I have never thought about the nature or the insights of the logical symbols or diagrams that I used every…

It is interesting to think about the "grammar" of graphical languages. People have been using graphics and visual elements to convey messages and express meaning for thousands of years. While a lot of artists/cartographer/etc. have produced systems of reference to the grammar of graphical languages – how the graphics…

The author emphases the importance of using intuitive colors when creating visualization projects, which I have found more difficult when representing qualitative or categorical data using different colors. It seems like our human eyes start to perceive different colors when the number reaches a certain ceiling. I once saw a…

Data visualization relies substantively on authors' choices of axes arrangement, such as truncation and scaling, as well as the shapes, including figure types and relative sizes.  Apparently, if the obtained data has significant biases, fake information, or simply a large number of missing data, then the visualization would not be…