[Johannes] has been reading Hackaday for years but this is the first project he’s tipped us off about. It’s a laser engraver built from a DVD burner diode (translated). It turned out so well we wonder ...

[bitluni]’s laser-based display pretending to be a an old-school vector CRT. Phosphor-based displays like CRTs rely on the phosphor to emit light for a set amount of time after being activated, ...