Another multi-functional gadget. This digital ceiling clock is much more than that. It is also an information carrier and a light source. The light, consisting of industrial fluorescent bulbs, is bright enough to have lit up the exhibition where...

Litroenergy is a patent pending designed light source material that emits light for 12 plus years- without electricity or sun exposure! The light source is inexpensive, non-toxic, and will stay on for 12+ years (half-life point) continuously...

R$D team of Seoul Semiconductor seems very near to providing the world with a much brighter alternative lightning source at a cost less than that of conventional ones. New led product, P4 emits up to 420 lumen at 600mA maximum and 350 lumen...