When [Adam, HA8KDA] is not busy with his PhD studies, he mentors a group of students interested in engineering. To teach them a wide range of topics, he set out to build a small and entertaining ...
We’ve been frankly mystified at the popularity of fidget spinners. After all, we can flip an ink pen around just fine. However, [MakersBox] just sold us on what he calls the geek spinner. The fact ...
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