The campfire was a social hub for ancient humans, and a virtual reality investigation suggests that the flickering light may have made art etched on flat rocks look animated
Needham et al., 2022, PLOS ONE, CC-BY 4.0
Recently, some archaeologists have speculated that ancient humans saw this flickering firelight as an opportunity to enhance their work. By producing multiple overlapping pictures on the cave wall,Andrew Needham Needham and his colleagues wondered what effect flickering light from the flames might have had on the artwork. To explore this, they produced 3D computer models of the plaquettes and used virtual reality to simulate dim light dancing over their surfaces.Doing so revealed that the light can draw the viewer’s attention to first one and then another animal engraved on the plaquette, giving an impression of movement.
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