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Message: <blockquote data-quote="Dethklok" data-source="post: 6327231" data-attributes="member: 6746469">Sorry for the late reply; I haven't had much time lately!Don't get me wrong; .3 g is probably a decent "standard" gravity. I've read that people reported their experience in the moon's gravitational field as "feeling like gravity," so even very small gs can work. However, there are also reasons to think.3g might be a bit on the low side. The lower you go, the less agile people become - in order to generate changes in motion, gravity needs to provide enough torque to pull your body off-axis. At .3 g, people might have a sluggish, underwater feel. There's also the problem of acclimation to low gravity. After a year on a space station at .3 gs, it would probably be tough to return to Earth.Again, .3g is probably fine, but off the cuff I'd recommend closer to .5g.I can see people cracking fusion way before personality scanning, so probably Fusion Age. We at least understand the basics of plasma; there are just problems of containment, energy transport, and the like. But the brain is a big giant question mark, and so far we've barely chewed on the dot at the bottom.Fine. I'll simply note that the problems of the present day are likely to be as much sociological and economic as they are ecological. Over the past few centuries, conditions were ripe for scientific and technological progress; it is my understanding that those conditions are already vanishing and will no longer prevail beyond the next hundred years or so.As a final note, you have artificial intelligence being discovered in the fusion age. Some thought should go into explaining why this isn't an end-of-history moment; most optimists tent to regard that as the beginning of the technological singularity, because being able to build thinking computers would accelerate the rate at which computers would build smarter computers. The obvious "out" is to put a hard limit on intelligence near the current human maximum, and it might also be wise to force computers at this level of intelligence to draw large quantities of power, or have some other restrictions like materials in construction or fragility. Otherwise a technological singularity can be predicted, and there's probably not even any way to imagine what things will be like afterwards.</blockquote>

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