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 ...

Graphs are graphs, right? Well, with Excel 2007 your graphs can be a lot more than a flat geometrical shape with a small number of ways it could look like. You can have 3D canvases, 3D graphs, shaded ...