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2020-10-13: Do the Past and Future Exist?
: ... something may be ahead of us - like
environmental destruction, ... Or it may be behind us, like it might be ...
2017-07-19: The Real Star Wars
: ... developed to the point that a single missile could deliver multiple
several thousand kilometers away in a ...
: The Cold War arms race was on track to fill Earth's orbit with satellite-destroying weaponry and
2015-11-05: Why Haven't We Found Alien Life?
: ... civilizations before they get to the galactic empire stage, whether by a
environmental catastrophe, accidentally making a black hole that ...
2015-03-11: What Will Destroy Planet Earth?
: Lots of unpleasant things from
to asteroid impacts could destroy life on Earth.
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