>Just to clarify: the last paragraph explains that gravity isn't an attractive force in general relativity, it is motion along curved geodesics. In other words, space-time is warped, and movement through warped space-time is what we call gravity.
Correct. I am still accustomed to think of it as an attraction, though...
Difference in opinions hath cost many millions of lives: for instance, whether flesh be bread, or bread be flesh; whether whistling be a vice or a virtue; whether it be better to kiss a post, or throw it into the fire... (from Gulliver's Travels)