Litroenergy is a new type of material that emits light for 12 years without needing electricity or sun exposure. The self-luminous micro-particles are called Litrospheres and are said to be non-toxic and inexpensive. The light is said to be equivalent to a 20 watt incandescent bulb (lumens please?).
The litrospheres give off a continuous illumination, and can be designed to glow in any color. They can be injection molded or added to paint. The company that invented the material, MPK Co., predicts that first applications of Litroenergy will be in safety equipment such as safety tape and life rafts. Currently, the cost to light up a 8 ½ x 11 piece of plastic 1/8” thick is about .35 cents. Note: The press release says .35 cents but I think the figure is actually 35 cents.
THX 2 SydZy @ ConCen
Constant Light Without a Power Source for 12 Years 
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