TechThis Common Ballpoint Pen Can Draw, Write Custom LEDs — How? Researchers have developed ink pens that allow individuals to handwrite flexible, stretchable optoelectronic devices on everyday materials.by Jace Dela Cruz
TechSmart Lights Made of 'Quantum Dots' Can Easily Reproduce Daylight - More Efficient Than LED!by Joaquin Victor Tacla
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ScienceBlue LED light wins Nobel for three scientists' contribution to modern civilizationby Jim Algar
ScienceWorld's thinnest LED is thinner than human hair and yet strong and energy efficientby James Maynard
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