The Fermi Paradox may reveal the truth of civilization, and hint to mankind that advanced civilization may be extinct. The Fermi Paradox may reveal the truth of civilization, and hint to mankind that advanced civilization may be extinct.
Human beings are technological civilizations, will there be a magical civilization in the universe? Human beings are technological civilizations, will there be a magical civilization in the universe?
How powerful is an advanced civilization that has been developed for 100 million years? Maybe mastered three skills How powerful is an advanced civilization that has been developed for 100 million years? Maybe mastered three skills