We’ve seen a lot of persistence of vision (POV) builds on bike wheels, sticks, and many other holders, but this one puts it on something new: a pen. [Befinitiv] was looking for a new way to add some ...
Decades ago, shows like Star Trek, The Jetsons, and Lost in Space promised us a future full of helpful computers and robot assistants. Unfortunately, we haven’t quite gotten our general-purpose helper ...
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