music Why guitar frets work (and why violins don't have them) Obviously, you squeeze the string to the fret, which shortens the string making a higher sound. But it occurred to me, that it's awfully convenient that you need one in the same place
R Fastest and smallest way to set up R with jupyter on Windows This tutorial will show you the fastest (and smallest) install of Jupyter Notebook if you only want to run R with it.
networks What's the difference between a graph and a network? Nothing. Or let's be precise: not much. Both are things (nodes, vertices) connected by other things (links, edges) and any distinction is pretty much nothing but tradition.