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Glow Brick glows nicely in the dark

Glow Brick

The Glow Brick is a solid brick of acrylic resin with a real lightbulb trapped inside of it. The bulb is filled with pigments that charges by daylight and then emits a nice, warm glow (created by photoluminescence) at night.

“The mysterious optical effect is caused by light diffracting in the tiny space between the glass of the light bulb and the resin – this space forms when the resin shrinks by a tiny amount during the production process.”

The Glow Bricks are available in blue and green and measures 3.3" x 3.3" x 5".

ThinkGeek: Glow Brick ($29.99)

Posted by TG October 4th 2007 | Leave a comment » | Permalink

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