Adding a circular motion to a spacecraft creates a gravity-like effect.
Built the Endurance from Interstellar. Still baffled at how stable the craft was, even for KSP 2 standards : r/KerbalSpaceProgram
The physics you need to know in order to understand Interstellar
Why did the spaceship in Interstellar rotate? - Quora
Rotating Black holes may serve as portals for interstellar travel!
The Science of 'Interstellar' (US 2014): Book Excerpt
NASA's Voyager 1 encounters a malfunction in interstellar space. Here's what happened next - Times of India
Interstellar Travel: Magnetic Fusion Plasma Engines Could Carry Us Across the Solar System and Beyond
Why did the spaceship in Interstellar rotate? - Quora
Artificial Gravity in Spacecraft by Ron Kurtus - Physics Lessons: School for Champions
How is artificial gravity induced by rotation of the spacecraft as shown in the movie Interstellar? - Quora
Interstellar' Physics You Need to Know