All articles in Builds

Testing ActivityPub syndication

If Mastodon replaces Twitter as the rising microblogging platform, the “super-RSS” ActivityPub protocol it uses re-opens the window for blogging. I know this instance is advertising to the fediverse and is discoverable on Mastodon, but I need to test whether new posts syndicate.

Making a conductive copper ink pigment

This is part 1 of a project to DIY a circuit-writing pen: making a copper pigment. I thought I’d start with easy methods and readily available materials. This is a simple chemistry experiment suitable for classrooms, garage chemists and hobbyists. The pigment produced conduct electricity pretty well.