Fermi Paradox

Chen Chen was aware that the theory of The Great Filter was one of the elements of the Fermi Paradox.

In 1950, while Northern American physicist Fermi was discussing the prospect of UFO and aliens with other people, he suddenly brought up an intriguing question. "Where are these aliens?"

For the average person, this question raised by Fermi was nothing more than a subject of curiosity concerning the unknown potential of the vast universe. Put in the mind of the Nobel Prize winner, it represented a carefully crafted reality with many elements of potential horror —