Learn how to create your own functional cardboard crossbow in this detailed DIY tutorial. Using recycled materials, cardboard ...
Discover how to build a fully functional cardboard Gatling gun! This step-by-step DIY tutorial guides you through crafting a ...
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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