The Photon Vortex Light plays with people's visual perceptions. In particular, it relies heavily on the persistence of vision. As the designer notes, "The positive afterimage of the human eye materializes the path of a moving light source." Thus, when looking at the Photon Vortex Light, people will see couple of continuous circles even though they don't exist at all.
Designed by Rotterdam-based designer Arnout Meijer, the Photon Vortex Light takes on the facade of a large wall-mounted clock when not in use. Complete with two hands, one is tipped with a circle of pink LEDs while the other emits a bright fluorescent blue glow. When they move together, these hands create a luminescent layer of circles that is completely captivating.
The Photon Vortex Light is made out of nickel plated steel, led , acrylic, electronics and museum glass.