Gravity is definitely married to the spacetime continuum - whether it be part of the fabric itself or sits outside of it. Still, the oddest thing of it all to me is that we may all be not just moving on TOP of the spacetime continuum - but that we are an actual part of it - and that our movements, thoughts, actions - simply existing or thinking can affect matter or energy or gravity or ANYTHING re...ally in different parts of the universe because we ARE all literally connected with everything else. That's where science crosses the line into our belief systems. I don't believe we can manifest objects or energies but since there is no such thing as 'NOTHING' (quantum foam exists in the emptiest of empty space - there is no such thing as a true vacuum) - we really ARE like fish in the ocean - they change the movements of the very water they live... "