Have you ever wondered what’s actually going on inside the hotend of your 3D printer? It doesn’t seem like much of a mystery — the filament gets melty, it gets squeezed out by the pressure ...

But then, printer manufacturers invented printers so ... [Ken] got a hold of one of these beasts for a look inside, and it holds some wonders. Based on a Motorola MC6800, the teleprinter sported ...

An curved arrow pointing right. More from Tech A triangle pointing right which indicates this type of media can be played. The process of making printer ink is far more colourful and interesting ...