With the extended reality (XR) revolution already underway, it’s easy to envision a future in which the lines between the real world and the virtual world become even more blurred than they are today.

Virtual reality systems may provide a user interface allowing a user to interact with the virtual environment. For example, the user may manipulate electronic representations of objects in the virtual ...

Vibrating pads placed on people’s arms can make the illusion of holding light or heavy objects in virtual reality more convincing by making us disregard some inputs from our senses. Some virtual ...