SETI (Search for Extraterrestrial Intelligence) and the Aliens Conundrum – Part II
(1) How can we tell the artificial from the natural? How can we be sure to distinguish Alien artifacts from naturally-occurring objects? How can we tell apart with certainty Alien languages from random noise or other natural signals?
(2) If we have absolutely nothing in common with the Aliens, can we still recognize them as intelligent life forms and maintain an exchange of meaningful information with them?
II. Artificial vs. Natural
“Everything is simpler than you think and at the same time more complex than you imagine.”
(Johann Wolfgang von Goethe)
Complexity rises spontaneously in nature through processes such as self-organization. Emergent phenomena are common as are emergent traits, not reducible to basic components, interactions, or properties.
Complexity does not, therefore, imply the existence of a designer or a design. Complexity does not imply the existence of intelligence and sentient beings. On the contrary, complexity usually points towards a natural source and a random origin. Complexity and artificiality are often...