I need a full response to what exactly is "artificial gravity?"
Yeah, I need that too. We don't even understand real gravity.
One thing we do know is that there's no way to tell the difference
between gravity and that force you feel pushing you back in your
seat when your car accelerates. In this sense, artificial gravity
is the effect of any acceleration. Beyond this, science fiction
is full of the notion that we might somehow arrange for a force
that feels like gravity and that doesn't involve large massive
objects or motion of any kind. Real science doesn't have a clue
how this might be done.
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Update: June 2012