I give you actual holodecks:
And — seriously — they’re working on warp drive within our lifetimes:
“Perhaps a Star Trek experience within our lifetime is not such a remote possibility.” These are the words of Dr. Harold “Sonny” White, the Advanced Propulsion Theme Lead for the NASA Engineering Directorate. Dr. White and his colleagues don’t just believe a real life warp drive is theoretically possible; they’ve already started the work to create one.
By the way, there are nearly 8 billion civilizations in the Milky Way galaxy. Who wants to bet we’ll get to know one within 50 years?