While teaching undergraduate physics at Princeton University, O'Neill set his students on the task of designing large structures in outer space, with the intent of showing that living in … See more

At a Blue Origin event in Washington on May 9, 2019 Jeff Bezos proposed building O'Neill colonies rather than colonizing other planets. See more

• Rotor (ride) – this, the Gravitron, and some other amusement park rides use centrifugal force in a similar manner.
• Bishop Ring (habitat)
• Centrifuge Accommodations Module, a cancelled ISS module See more

Living in the Cylinder
In the September 1974 edition of Physics Today magazine, Dr. O'Neill argued that life on board an … See more

In 1990 and 2007, a smaller design derivative known as Kalpana One was presented, which addresses the wobbling effect of a rotating cylinder by increasing the diameter and shortening the length. The logistical challenges of radiation shielding See more

• A cylinder constructed from interconnected bolas or other geometries
• A NASA concept image of multiple habitat cylinders oriented towards the Sun See more

• Heppenheimer, T. A. (2007) [1977]. Colonies in Space (online book ed.). National Space Society. ISBN 978-0-8117-0397-0. … See more