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==Theory==+VR is possible using electronics and computer technology. More primitive ideas can be implemented using more primitive technology, such as a fixed [[stereoscope]], or panoramic murals (or 360-degree murals). These fill the viewer’s field of vision with the intention of making them feel a sense of presence at a certain historical event or scene.<ref name=”1”> Virtual Reality Society. History of Virtual Reality. Retrieved from https://www.vrs.org.uk/virtual-reality/history.html</ref><ref name=”2”> The Franklin Institute. History of Virtual Reality. Retrieved from https://www.fi.edu/virtual-reality/history-of-virtual-reality</ref>
3D tracking can be done using [[fiducial marker]]s.
3D tracking can be done using [[fiducial marker]]s.
−More primitive ideas than VR can be implemented using a fixed [[stereoscope]], or panoramic murals (or 360-degree murals). These fill the viewer’s field of vision with the intention of making him feel a sense of presence at a certain event or scene.<ref name=”1”> Virtual Reality Society. History of Virtual Reality. Retrieved from https://www.vrs.org.uk/virtual-reality/history.html</ref><ref name=”2”> The Franklin Institute. History of Virtual Reality. Retrieved from https://www.fi.edu/virtual-reality/history-of-virtual-reality</ref>
−Stereoscopes work because the brain processes different two-dimensional images for each eye into a single three dimensional-ish object. A stereoscope gives some sense of depth and immersion.<ref name=”1”></ref><ref name=”2”></ref><ref name=”3”> Gemsense. Virtual Reality: History, projections and developments. Retrieved from http://gemsense.cool/virtual-reality-developments/</ref>
Stereoscopes work because the brain processes different two-dimensional images for each eye into a single three dimensional-ish object. A stereoscope gives some sense of depth and immersion.<ref name=”1”></ref><ref name=”2”></ref><ref name=”3”> Gemsense. Virtual Reality: History, projections and developments. Retrieved from http://gemsense.cool/virtual-reality-developments/</ref>