Aequorea: The World's First 'Oceanscraper'
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Belgian architect Vincent Callebaut wants to 3D print 3,000-foot “oceanscrapers”—called Aequorea—from algae and plastic garbage already floating in the Earth’s oceans.
The oceanscrapers’ 250 mixed-use floors would spiral down half a mile below sea level and house 20,000 people, along with labs, gardens and offices, so residents (or “aquanauts”) never have to see land again—straight out of the movie Waterworld.