Ways to create gravity in space besides a gyroscope?
Gravity, per se, cannot be created. What gives rise to gravity, from a
Newtonian (physics described by Isaac Newton) point of view is mass. The
more mass you have, the more gravity.
To create a gravitational-like environment, an acceleration is needed.
This is easiest to accomplish by having a rotating environment.
---Nathan A. Unterman
Gyroscopes don't produce gravity. The time-honored way of producing
gravity is to put a large mass near where you want the gravity field.
The only other way I know of is to accelerate the floor. The
disadvantage of this method, of course, is that the floor must move.
One compromise is to move the floor in a circle, so it never actually
travels very far.
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Update: June 2012