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NASA @nasa@social.beachcom.org · last week

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Origami-inspired Diffractive Sail for Directed Energy Propulsion https://www.nasa.gov/directorates/stmd/space-tech-research-grants/ecf/origami-inspired-diffractive-sail-for-directed-energy-propulsion/#NASA #EarlyCareerFacultyECF #SpaceTechnologyResearchGrants

A 𑐴𑐶𑐟𑐶 (hiti) is an ancient Newah urban water feature: a stepped, sunken courtyard with waterspouts and a central pool. These are fed through a remarkable network of pipes, reservoirs, and irrigation systems drawing water from mountain springs dozens of kilometres away. Every day, hundreds of people from the neighbourhood come to draw water, bathe, and exchange news. They are a unique and precious feature of Newa urban architecture through which neighbourhoods are created.

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