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Q&A How could it be possible to exert gravity without mass?

Some of what I read in How could a 4D organism influence events in our world made me think in a different direction about a question I asked before. I'm trying to create a large sphere shaped fiel...

6 answers  ·  posted 6y ago by Len‭  ·  last activity 6y ago by Len‭

Question space physics gravity space-constructs time spacetime-dimensions dimensions