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06/02/1927 American physicist Gerard O'Neill is born

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Terasem 02 O'Neill Space colony

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Future Space Colonies that Never Happened

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Gerard K. O'Neill: The Vision Uncut

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Island 3

He invented particle storage ring, a device used in high-energy physics to store particle beam for many hours. His other invention was the magnetic catapult for non-rocket space launch. He proposed a new design for a space colony called now the O'Neill cylinder. O'Neill proposed colonization of space for the 21st century.
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