Prostheticman

When Humans know and take advantage most of the scientific and technological knowledge they have and evolve into Prostheticman. Renewable energy[2] totally replaces the non-renewable energy at this age. More over, economic, industry, agriculture, transportation have been drastically improved. We can call this the technology age. With more advanced science and technology, astronomy[3] is strongly developing. The Protstheticmen's civilization has reached Type I on Kardashev scale[4], which means they can fully control their home planet. Therefore, celestial body discovering and colonizing planets becomes one of their most important mission to achieve. Humankind now needs new energies and materials for their existence. Space Habitat and  Lifter is taken over in the meantime.