This miniature marble machine’s DIY process is astonishing! 🤩 🎥 Daniel de Bruin via @IntEngineering
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@UniverCurious @IntEngineering Now make it be powered by stirling engine!
@UniverCurious @IntEngineering This is so beautiful, i could watch that al day and probably would. Link to the build video on youtube: youtu.be/hnuvk4exeAo