> how are you supposed to focus on something projected right in front of your eyeballs Your eye can't tell where the rays were emitted. You don't even need fan

> how are you supposed to focus on something projected right in front of your eyeballs Your eye can't tell where the rays were emitted. You don't even need fancy waveguides to make an image appear to be at infinity (although the G1 appears to use waveguides, and I don't know what they've chosen as their focal plane). https://en.wikipedia.org/wiki/Collimator https://en.wikipedia.org/wiki/Collimator devices have been in HUDs for ages.