Discover two creative ways to make your own fidget spinners using bicycle chains, ball bearings, and simple tools! This tutorial covers both a four-arm design and a multi-lobed ring spinner. Follow ...
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Simple DIY LEGO safe with working lock mechanism
Learn how to build a functional and secure mini safe using standard LEGO bricks with this easy-to-follow tutorial. The ...
Abstract: Sixth-generation (6G) mobile communication networks are expected to have dense infrastructures, large antenna size, wide bandwidth, cost-effective hardware, diversified positioning methods, ...
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