Residential LEDs use at least 75% less energy and last 25 times longer than incandescent bulbs, but R&D challenges still exist for LED lighting. However, new materials research continues to push LED technologies further forward.
Read MoreScientists at ITMO University in Russia recently developed a scalable method of printing europium-doped zirconia nanoparticles into beautifully glowing security holograms that could secure the authenticity of printed documents and more.
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