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Scientist Suggests Algae-Based 3D Printing For Habitation Structures In Space
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By Lynn L. Bergeson and Ligia Duarte Botelho, M.A.

In March 2020, a paper by master’s degree student Anastasia Prosina titled “Algae-Based Printer Ink as the Way to Foster In-Situ Resource Utilization in Habitation Structures” was published in ResearchGate. Prosina’s paper, submitted to Sasakawa International Center for Space Architecture (SICSA), proposes that the most feasible long-term habitat off-Earth will consist of a 3D printed mixture of algae and regolith, the layer of unconsolidated rocky material covering bedrock. Proposed as an alternative to building structures in space that require intensive mining and sifting, the 3D printed mixture can be cultivated in a lab controlled by biological media. In addition, “[t]he utilization of algae off-Earth is not limited to a singular application and its cultivation would allow for a substantial yield of products, and local micro and macro environmental benefits.” According to Prosina, because of the high protein in and natural thermostatic qualities of algae biomass, this new printing mixture would allow for easier and safer production of everyday consumables, including clothes. Prosina’s paper outlines the benefits and complications of algae production and utilization processes, concluding that algae has the best potential for establishing long-term habitation on the Moon and Mars.