What is hololense?

HoloLens is an augmented reality headset developed by Microsoft. It overlays digital information on top of the real world, allowing users to interact with holographic images and objects. The headset tracks head movements and gestures to interact with holograms and includes spatial sound to enhance the immersion. HoloLens can be used for a variety of applications including gaming, education, and industrial design. It was first released in 2016 and has since been updated with newer versions of the hardware and software.