The interactivity of this series is just amazingly helpful in visualizing what the heck is going on. Honestly, for me that makes this one of the few links on HN

The interactivity of this series is just amazingly helpful in visualizing what the heck is going on. Honestly, for me that makes this one of the few links on HN that I might actually read all the way through. And may even use it as a homeschool lesson for our kids, if it seems written simply enough (which at first glance it is).