Interstellar Arc Serves Up Alien Foxes, Exoplanets, and VR Carl Sagan

The physical space presents other technical challenges. One is the volume of people: Interstellar Arc can accommodate up to 170 participants at once, Raphaël says, quite a crowd even in a room this large.

That can be an issue for typical VR headsets, which rely on cameras and sensors to triangulate their position within a room. Those devices lock onto fixed surfaces when you’re alone, but it’s much harder with more than 100 people roaming around. “You might start drifting in space and bouncing…