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Posts by John Watmuff‭

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Q&A What would happen to landfills if abandoned for many years?

So it's plausible that any planetary civilizations (alien or human) may have landfills. It is also natural to think that many planetary civilizations would die out, or migrate away from a planet. S...

1 answer  ·  posted 7y ago by John Watmuff‭  ·  last activity 7y ago by John Watmuff‭

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Rigorous Science Racing Around the Edge of a Black Hole

I am trying to understand the physics of an interstellar race. Say two ships are racing past a black hole as if it were a corner on a race track. One of the ships takes a hard line and comes very ...

3 answers  ·  posted 9y ago by John Watmuff‭  ·  last activity 7y ago by John Watmuff‭