Helio Centric wrote:
An expanding universe does not necessarily mean a universe with infinite matter. It means a universe in which a finite amount of matter which is moving away from itself at an increasing speed. The further away something is from us in the universe the faster it is, apparently, moving away from us. As for 'living forever' I'm with Einstein when he states that time is not absolute and is relative to the person experiencing it. Spend a hour with a pretty girl and it seems like a minute. Place your hand on a hot stove and it seems like an hour - that's relativity. To paraphrase the great man.
The earth is not a closed system as it absorbs energy from our sun. An open system, by definition, may not be finite in nature as it takes input from other systems. If all its input systems are finite, then it ultimately becomes finite. Closed systems are finite. The earth is not a closed system, so the resources available to the earth are not finite, assuming that the universe is not finite. If the universe if finite, though, the actually quantity may be more than we can ever think of using, even if we are immortal (or at least living as long as want).
Our universe may be a closed system...nobody knows yet. It certainly looks like it is leading to the great shredding. What happens after every particle is reduced to nothingness. Does this lack of something lead to another big bang? I have often wondered, as have the physicists who support this theory, what it would be like to sit on those last systems where they can see nothing else in the universe as it all too far away? Will they think about immortality too?
Living forever, or being immortal, would also suggest a transcendence of the great shredding. Perhaps that is much more than the orginial poster intended.
Therefore I would not like to wish any more life on a person than they wish to endure!
If we feel we are just enduring our lives, perhaps we should make changes that increase our well-being. Life is all we, as a race, have. As an individual, we have one single shot as experiencing all we can and passing that on to our progeny, in the hope that it improves their chances of survival.
"It does not matter who you are...or how many of you there are, and...not how many papers your side has published, if your prediction is wrong then your hypothesis is wrong. Period." Richard Feynman, Nobel Laureate in Physics