While laser and inkjet printers are increasingly popular, older technology still has value in daily life. Dot matrix printers are similar to manual typewriters, with a history dating back over 100 ...

[RyderCalmDown] was watching a road painting vehicle lay down fresh stripes on the road one day and started thinking about the mechanism that lets it paint stripes in such a precise way. Effectively ...

Many people love the Raspberry Pi (us included). Not only are the computing boards cheap, but you can do so much with them. Wild, wonderful projects spring up all the time with RPi boards as a central ...