Unit 1

History of Virtual Reality

An interactive timeline from the 1838 stereoscope to 2026's AR glasses and mixed-reality headsets.

Unit 2

Hardware & Display Technology

HMDs, tracking systems, controllers, field of view, resolution, and refresh rate — with an interactive FOV/display comparison.

Unit 3

Perception & Comfort

Stereopsis, vergence-accommodation conflict, motion sickness, IPD, and presence — with an interactive stereopsis/IPD demo.

Unit 4

Interaction & Locomotion Design

Teleportation vs. smooth locomotion, hand tracking, and designing UI/UX for 3D space.