operations at the first theme park to open in 25 years in America are going to have their hiccups—and not just the How to Train Your Dragon kind.

Universal Resort Orlando's brand new theme park Epic Universe is now open, and CNET has all the details on the park and its immersive entertainment that ties in with movies, games and technology.

The theme park, which officially opened to the public Thursday (it has been hosting paid previews for a couple months), boasts four immersive themed lands surrounding a central green area called Cele...