3 Body Problem's Otherworldly VR Helmets Posed Some Unique Challenges on Set

One of 3 Body Problem's earliest mysteries comes wrapped in a sleek, shiny package: the seemingly not-of-this-world VR helmets that Jin (Jess Hong) and Jack (John Bradley) are given--and that transport them into an eerily lifelike environment they assume at first is a next-level immersive video game.