Can’t find it now, but saw some post about a laser projector? I’m guessing it’s not really laser but somehow using better tech. Anybody familiar with those? ED

Can’t find it now, but saw some post about a laser projector? I’m guessing it’s not really laser but somehow using better tech. Anybody familiar with those? EDIT: found it https://news.ycombinator.com/item?id=25503327 https://news.ycombinator.com/item?id=25503327 but still curious to learn more about the tech if anyone can share