Writing in Space
A private businessman developed a pen that writes in space, using nitrogen pressurized ink cartridges instead of relying on gravity. This innovative design not only benefits astronauts but also proves advantageous for left-handed users, allowing for smooth writing regardless of hand orientation. The space pen's universal functionality makes it a remarkable example of design that transcends its original purpose.In this clip
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99% Invisible
Mini-Stories: Volume 10
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