There are many approaches to simulating reality yet the degree of immersion differs. XR-technologies offer experiences and a chance to explore new world but it is difficult to assess the XR effects in science or education. Virtual reality can make the learning process more engaging, give a different perspective on STEM and improve online education. Join the session and learn how XR is affecting the learning process, and if we are able to assess the benefits from employing this technology and how to use it for training purpose of specialists in different fields.