First let me say I didn't like Centauri dawn much. Thought it would be better to tell that right now so nobody should acuse me of hipocrisy or anything. Some ideas you might consider:
Language:
a. English was mandatory for admission to Unity so no problem there
b. English was not mandatory so you have several options:
-some artificial language like esperanto or something
-mixture of dominating (=being spoken by most) languages (English, Spanish, Arabic, Mandarin Chinese, maybe French, Russian, German, Portugal...). Depending of percentage of population of given society some languages would have more impact on societies language.
Enviroment:
a. How would humans adapt to greater gravity? Would they become shorter? More powerfull leg muscles? Rearangement of internal organs?
b.Could human body adapt to lesser percentage of oxygen and "change" lungs so people could breathe Chiron's air as is (evolutionistic type of change)?
Features
a. Don't discard tatoos. In Journey there is mentioned that Spartans have tatoo on their shoulder. Why not go from there on? Say Spartan society is differented to citizens (=soldairs) and non-citizens. Citizens have tatoos and members of Spartan Coalition have some extra marks to distinguish them further. Add tattos for rank, medals and other acomplishments. How about tatoos for everybody (not only Spartans) that say persons blood type, alergies and such (you could make that under skin implant but that would require some device to read it and this could break down or some other thing).
b. Implants that makes person more efficient at what they do (aming device for soldairs, implats that interact with computers for technicians...). Specially after gaining mind machine interface tech.
Language:
a. English was mandatory for admission to Unity so no problem there
b. English was not mandatory so you have several options:
-some artificial language like esperanto or something
-mixture of dominating (=being spoken by most) languages (English, Spanish, Arabic, Mandarin Chinese, maybe French, Russian, German, Portugal...). Depending of percentage of population of given society some languages would have more impact on societies language.
Enviroment:
a. How would humans adapt to greater gravity? Would they become shorter? More powerfull leg muscles? Rearangement of internal organs?
b.Could human body adapt to lesser percentage of oxygen and "change" lungs so people could breathe Chiron's air as is (evolutionistic type of change)?
Features
a. Don't discard tatoos. In Journey there is mentioned that Spartans have tatoo on their shoulder. Why not go from there on? Say Spartan society is differented to citizens (=soldairs) and non-citizens. Citizens have tatoos and members of Spartan Coalition have some extra marks to distinguish them further. Add tattos for rank, medals and other acomplishments. How about tatoos for everybody (not only Spartans) that say persons blood type, alergies and such (you could make that under skin implant but that would require some device to read it and this could break down or some other thing).
b. Implants that makes person more efficient at what they do (aming device for soldairs, implats that interact with computers for technicians...). Specially after gaining mind machine interface tech.
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