You’ll notice it right after you go through security at the McNamara Terminal at Metro Airport. It’s a big-screen offering something called parallel reality to help passengers figure out where to go. If you’ve traveled lately at Metro Airport, you might have seen a display that almost looks like it might take you into a parallel universe. Okay, not quite.
![](https://i.ytimg.com/vi/vwRO16n7hVA/maxresdefault.jpg)