c****i
发帖数: 199 | 1 I believe the population limit depends on the technology. The technology
has been changing dramatically over the last few centuries. It's still
moving fast and no good prediction can be made. I don't think
anybody who dares to give a definite answer is right. | c****i
发帖数: 199 | 2 No doubt it's a finite number. The ultimate limit i can imagine is that
the energy human on earth can consume can't exeed E=mc^2. m is the earth's
mass. Hehe, kind of kidding.
To tell the truth, I don't think the question is well defined anyhow. You
should base your answer on certain technological conditions. Then you can
do some estimation on how much energy are projected on earth from the sun,
and how much of them are converted to biological energy, and after
considering the human's position i |
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