Virtual reality has real problems. Here’s how game developers seek to delete them. Derek Swinhart © Mallory Brangan/The Washington Post From a distance, virtual reality games might seem primitive and unsophisticated compared to more traditional titles. Players’ hands float in midair as they vault across virtual space, crudely teleporting from point to point. Perhaps a change in perspective is called for. What players may not know is that teleportation is not a lazy solution to moving about in virtual reality, but a direct response to motion sickness. Floating hands ...