Junyi Zhao in the McKelvey School of Engineering demonstrates using a simple ballpoint pen to write custom LEDs on paper (left). The same pens can be used to draw multicolored designs on aluminum foil ...
Even if surface-mount skills aren’t in your repertoire, chances are pretty good that most of us are at least familiar with SMD stencils. These paper-thin laser-cut steel sheets are a handy way to ...
Forget printing plastic action figures, scientists at Princeton have built a 3D printer that makes quantum dot LEDs from scratch. Share on Facebook (opens in a new window) Share on X (opens in a new ...
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