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Swapping the metallic ink of gel pens for real silver can make that a reality. University of Illinois engineers have pioneered circuit pens, rendering wires unnecessary.
Whether it's fountain or felt tip, ballpoint or gel pens that you fancy, here are the best pens money can buy. ... Silver: Type: Rollerball: Advertisement - Continue Reading Below. 19.
No, the pen is a rollerball with silver ink that can actually draw real, working circuits. The ink dries to leave silver trails […] Skip to main content. Open Navigation Menu.
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