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Firefly / key

Firefly

Opening lock is difficult in darkness without light. The luminous keys are designed for this problem. There is a luminous coating at the metal handles of key for easier finding the key hole by fluorescence during night. The luminous coating is the photoinduced energy-stored noctilucence, which could store the luminous energy after being shined by light source so as to provide simple lighting after stopping the shining of light by fluorescence during night.

University

Tianjin academy of fine arts

Tianjin academy of fine arts
Tianjin, China

Maosheng He,
Tianjin academy of fine arts