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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More on this storyBarbican to close for a year for £191m revamp

But Georgetown University researcher Ning Leng said China's growth figures should be taken with "a grain of salt", as other data suggests a weaker economic picture.

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