Getting an old traffic light and wiring it up to do its thing inside your house isn’t exactly a new trick; it’s so common that it wouldn’t normally pass muster for these hallowed pages. Even using one ...

Just another gizmo I've whipped up in my office of insanity. I expect most of you won't have any idea why you'd want to build one of these, so I'll try to explain up front. Suffice it to say, "I find ...