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 ...

These days a printer — especially one at home — is likely to spray ink out of nozzles. It is getting harder to find home laser printers, and earlier printer technologies such as dot matrix are almost ...