The Article that Inspired the Creation of the L5 Society

This article by Dr. Gerard O'Neill, a physicist at Princeton University, was the motivating document behind the formation of the L5 Society, and is itself a unique piece of history about our possible energy future. In it, O'Neill lays out a plan to colonize space using lunar resources and energy derived from solar satellites that could also provide clean and abundant solar energy to Earth. This prospect remains theoretically feasible and technologically within reach today, and thus anyone looking for the roots of our use of extraterrestrial energy sources will find this earliest articulation of a concrete plan interesting in its own right, apart from the role it played in motivating the creation of the L5 Society.

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