Mark Rehorst's Tech Topics

Update 9/23/24 I have set up a proper stereo system in my living room that sounds much better than the sound bar, so naturally I wanted to c...

Those of you with bikes that have disc brakes know that sooner or later, they are going to start squealing. In my experience, besides being ...

 What? Some folks recently came up with a single shape tile (a monotile, or einstein tile) that can tile a surface without the possibility o...

Several months ago I noticed that the white overhead lights in UMMD were flickering. It wasn't a high priority so I let it go for a whil...

 I live about a 100m walk from the garage where my car is parked to my door. I don't like to shop frequently, so I tend to load up, and ...

Arrakis 2.0 made it's public debut at the Maker Faire Milwaukee on October 22, 2022, and got a nice write-up in Make magazine. I liked A...

I have seen uncountable forum posts, comments, emails, etc., about the need to "tune" belts in a corexy mechanism. The comments us...