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Makani: A 13-Year Wind-Energy Kite Project

X, The Moonshot Factory · Documentary · YouTube title: Pulling Power from the Sky: The Story of Makani [Feature Film]
Why it's here

HN recommends it as a technically rich, beautifully made documentary on ambitious hardware engineering and failure.

What it covers

A feature-length film by the Makani team chronicling their thirteen-year effort to build energy kites that harvest wind power, with footage from test sites in Hawaii, California and Norway. It shows the engineering, the team and the eventual shutdown.