🧠 Human-Computer Interaction (HCI) & Augmented Reality (AR) Interfaces What is Human-Computer Interaction (HCI)? HCI studies how people interact with computers and designs technology that lets humans interact with systems efficiently, intuitively, and comfortably . It combines elements from computer science, psychology, design, and ergonomics. What are Augmented Reality (AR) Interfaces? Augmented Reality (AR) interfaces overlay digital content (images, information, 3D models) onto the real world, enhancing the user's perception and interaction with their environment. AR interfaces blend physical and virtual elements to create immersive, interactive experiences. 🔑 Key Components of AR Interfaces in HCI Display Devices: Head-mounted displays (HMDs), smart glasses, mobile devices, or projection systems. Sensors and Cameras: Track user position, gestures, and environment. Input Methods: Hand gestures, voice commands, eye tracking, touch. Rendering Engine: ...