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> This is only true in the physical sense if the universe is singular *and finite. Which it appears not to be. Laws of physics aren't negotiable. Barring very

> This is only true in the physical sense if the universe is singular *and finite. Which it appears not to be. Laws of physics aren't negotiable. Barring very unlikely breakthroughs humans will remain a single planet species until the sun goes supernova. And with that constraint we face a nearly closed system of resources, except for solar energy and maybe a few asteroids. > The only thing we lack is the knowledge of how to do it. Again even if more innovation is possible there are only so many people with enough resources to discover them. Those people have all the basic needs as well as years of education just to sustain today's innovation.

csdvrx 4y ago
> Laws of physics aren't negotiable Nobody said that. We only need space, matter, energy and knowledge. This last part is mostly what we're missing now, the limiting factor, as the universe has plenty of space, matter and energy! > Barring very unlikely breakthroughs humans will remain a single planet species until the sun goes supernova Hard disagree, as some already have their sight on Mars. We are an ambitious species! > Again even if more innovation is possible there are only so many people with enough resources to discover them There're over 7 billion of us, and knowledge diffusion techniques (especially online) mean innovation is accelerating - so the limiting factor won't be limiting for long. Given than facts don't support your pessimist view, I wonder why you think this way?
- paulryanrogers 4y ago
  > Hard disagree, as some already have their sight on Mars. We are an ambitious species! Mars is not habitable for humans and has never been touched by human hands. Ambition won't overcome that fact. Should we exhaust the earth to establish an unsustainable colony on Mars? > Given than facts don't support your pessimist view, My you are confident. The fact is there are no human colonies off planet earth. Even the space stations that exist aren't self sustaining. The future is not yet a fact, so we're both speculating.
  - tdehnel 4y ago
    Can you describe exactly why you believe progress has a limit? I don’t see how there could be a limit (other than the laws of physics which actually prevent none of what has been described in this conversation).

csdvrx 4y ago

> Laws of physics aren't negotiable Nobody said that. We only need space, matter, energy and knowledge. This last part is mostly what we're missing now, the limiting factor, as the universe has plenty of space, matter and energy! > Barring very unlikely breakthroughs humans will remain a single planet species until the sun goes supernova Hard disagree, as some already have their sight on Mars. We are an ambitious species! > Again even if more innovation is possible there are only so many people with enough resources to discover them There're over 7 billion of us, and knowledge diffusion techniques (especially online) mean innovation is accelerating - so the limiting factor won't be limiting for long. Given than facts don't support your pessimist view, I wonder why you think this way?

paulryanrogers 4y ago
> Hard disagree, as some already have their sight on Mars. We are an ambitious species! Mars is not habitable for humans and has never been touched by human hands. Ambition won't overcome that fact. Should we exhaust the earth to establish an unsustainable colony on Mars? > Given than facts don't support your pessimist view, My you are confident. The fact is there are no human colonies off planet earth. Even the space stations that exist aren't self sustaining. The future is not yet a fact, so we're both speculating.
- tdehnel 4y ago
  Can you describe exactly why you believe progress has a limit? I don’t see how there could be a limit (other than the laws of physics which actually prevent none of what has been described in this conversation).