With the August 31 announcement that Hynix is now working with HP to bring the semi-mythical memristor to market in commercial devices, I went searching for a good explanation of how HP’s memristors are made and how they work. It turns out that they are anatomically simple and relatively easy to understand, if you have the right teacher. HP’s R. Stanley Williams is the right teacher, for me at least, and he made a 6-minute video with the IEEE back in 2008 detailing pretty much all you need to know if you want to understand memristance and how you make HP-style memristors. Here’s the video: