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SPACE: A Moon Dust Economy

lunar ceramics

How do you start a colony on the moon? Can you ship everything the colonists need from Earth? That’s how NASA handled brief excursions to the lunar surface in the late 1960s and early 1970s, but astronauts couldn’t haul that much with them — certainly not enough to sustain themselves over the long term.

Technology has improved since then, but most plans for a sustainable lunar base assume that its residents will use local resources, rather than hauling everything from Earth.

So that’s why the European Space Agency (ESA) created a whole bunch of fake moon dust (fake “regolith” in technical terms) and used it to 3D print small screws, gears and even a fake coin. These printed materials weren’t carbon-based plastic or metal, according to a statement from the ESA, but rather a sort of lunar ceramic.

“Ground and sieved down to particle size, the regolith grains are mixed with a light-reacting binding agent, laid down layer-by-layer, then hardened by exposing them to light,” according to the statement. “The resulting printed part is then sintered in an oven to bake it solid.”

By Rafi Letzter – Full Story at Live Science


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