Physically, immortality is impossible due to the second law of thermodynamics. Everything dies, including solar systems, galaxies, and black holes. A biological

Physically, immortality is impossible due to the second law of thermodynamics. Everything dies, including solar systems, galaxies, and black holes. A biological body can potentially live orders of magnitude longer than we do now, but even then people will die of accidents and natural disasters. I don't see any reason not to speak plainly about it.