#Science - Vincenzo De Florio - Is there such thing as biological life? Could it be that the concept of biological life is yet another misconception, as the centrality of the earth was thought for centuries with the Ptolemaic system? - Suppose we reach the stage where self-consciousness and self-awareness can be attributed to some mechanism, e.g. some software program or some cyber-physical "thing". This machine would perceive its environment through a set of machine sensors. As for the men in Plato's cave, it is likely that what the machine would perceive through its mechanical sensors would be considered by it as a true picture of "the world" and of "life". Could then such a machine begin questioning whether its form of life is unique or just an emergent property appearing in a system designed by some programmer? Could it be that this is what we are doing here and now? Could it be then that there is no such thing as a physical world and that we are programs running in someone else's "computer"? What if programs would start writing their own programs, and these programs-of-programs would achieve self-awareness and self-consciousness? Could it be that what we call as biological life and physical world are just a layer in a complex hierarchy of virtual worlds? Who sits in the top layer then? Who's the unmoved mover, the unprogrammed programmer?

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