Square pegs, dodecahedral holes (part 3) [post 33/100]

Already 1/3 through this 100 posts malarkey and I haven’t run out of things to write about yet. I might soon, though, so if there’s something you think I should be writing/ranting about, please let me know. I’ll be offline for Easter break for the next few days, so no more posts til next Tuesday. This concludes your public service …