GLOW BRICK - GREEN
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Glow-in-the-dark* pigment is trapped inside a real light bulb. The light bulb is then encased in a solid block of acrylic resin. The mysterious optical effect is caused by light diffracting in the tiny space between the light bulb and the resin; during the production process, the resin shrinks slightly and a space is created. The surface of the Glow Brick is polished to give a jewel-like effect.The Glow Brick comes to life in the dark, as the pigment inside the light bulb emits a subtle, tranquil glow. The technical term for glow-in-the-dark is ‘photoluminescence’ – the process by which energy is absorbed by a substance and released relatively slowly in the form of light. By Glow Bricks
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