A new documentary highlights the visionary behind space settlement

Enlarge / Physicist Gerry O’Neill popularized the notion of space settlement. A new movie brings to life the legacy of a physicist who has played an influential—but largely unheralded—role in shaping the vision of space settlement. The documentary The High Frontier: The Untold Story of Gerard K. O’Neill takes its name from the 1977 book The High Frontier: Human Colonies […]