The technology that primarily powers virtual reality experiences is typically VR headsets, such as the Oculus Rift, HTC Vive, and PlayStation VR. These devices create immersive digital environments by utilizing advanced optics, sensors, and software that allow users to interact with 3D spaces. Additionally, game engines like Unity and Unreal Engine provide the frameworks needed to develop and render complex virtual environments. Through tracking head and hand movements, VR technology creates a compelling simulation of reality for users.