In the field of Virtual Reality (VR) and Augmented Reality (AR), technologies have made
huge progress during the last years and also reached the field of education. The virtuality
continuum, ranging from pure virtuality on one side to the real world on the other, has been
successfully covered by the use of immersive technologies like head-mounted displays,
which allow one to embed virtual objects into the real surroundings, leading to a Mixed
Reality (MR) experience. In such an environment, digital and real objects do not only …