I am not going to try and even surprise you with this. Notice the "tools:". This post is not about physics really, but something used in physics. When I get enough of these, I will put them together ...

Most people have decades of experience looking at graphs. We see them in television reports, books, magazines, presentations at work, and on the stock market apps on our phones. On the surface, ...

Bar graphs seem like one of the simplest ways to represent data. Many people assume that the longer the bar, the bigger the number it represents. Sometimes bar graphs represent an average not a total ...