[baybal2]

We designed a number of ar, an vr glasses.

Engineers of most buzzwordy brands don't seem to have had "optics 101" during their engineering education.

https://news.ycombinator.com/item?id=28839541

> Holographic waveguides, and such are a dead end development with a substandard image quality which you cannot do anything about, as well as its inefficiency (these waveguides waste 70-90%+ of light.)

> The fundamental problem is that the amount of image light transferred is inversely proportional to the amount of light obscured. — they are extremely inefficient, and there is physically no way around this.