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An O’Neil Cylinder is a few miles wide. Stainless steel can handle the rotation required to create earth like gravity. If we can practically produce graphemes i
by cletus 7y ago
An O’Neil Cylinder is a few miles wide. Stainless steel can handle the rotation required to create earth like gravity. If we can practically produce graphemes instead you can go up to several thousand miles in diameter (McKendree Cylinders). 1 AU in diameter is something else entirely.
- schoen 7y agoWe can already practically produce graphemes -- just not graphenes. :-)