While you can get an LED matrix in any size or shape, the really cool looking ones that are perfect for low-res displays all have diffusors. When they come from a nameless Chinese factory, these ...
Researchers at Princeton University have developed a 3D printer that can print LEDs in layers -- and it could one day print contact lenses that incorporate heads-up displays. Michelle Starr Science ...
Combining manual and automated techniques, the 3D printing process created a concrete wall from an innovative mortar based on white cement. From a total of 60 individual segments, the wall was built ...
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