Oscar Owen breaks down three pen tricks that look impossible but are surprisingly simple. Whether it’s making a pen vanish, using a clever setup, or creating the floating illusion, these effects are ...
Imagine producing a pen from thin air, vanishing it instantly, or even transforming it into a coin. These 12 pen tricks rely on visual sleight of hand and clever technique, guaranteed to leave ...
Researchers at the McKelvey School of Engineering at Washington University in St. Louis have developed ink pens that allow anyone to handwrite flexible, stretchable optoelectronic devices on everyday ...
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