Researchers used a special laser 3D printing method to melt fake lunar soil into layers and fused it with a base surface to manufacture small, heat-resistant objects, potentially paving the way to more sustainable and cost-effective space missions, a new study suggests.

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To make it happen, he needed to build four powerful legs for the so-called At-At – which famously first appeared in The Empire Strikes Back – that he could control with some precision.

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