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Q&A Matter being repelled by gravity

Let's say that, in a universe modelled after Patema Inverted, there are two "flavors" of matter: one which is attracted by gravity (so when dropped on Earth it would fall down), and one which is in...

4 answers  ·  posted 8y ago by L.Dutch - Reinstate Monica‭  ·  last activity 8y ago by L.Dutch - Reinstate Monica‭

Question reality-check gravity