He ended up discovering something new about the mechanism and has spent the past few months working on a research paper about it. Hopefully it'll come out soon.

It's also worth mentioning that he's making it using historically appropriate techniques and tools. He shows making the tools first and explains the techniques for using them, and goes into detail on why he chose each tool or method.

Fantastic videos.

his latest video mentioned that he's still doing some research for the antikythera project.

As an introduction, there are some good documentaries on the Antikythera mechanism that can be currently found on the web.