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Trees and Spheres
Alex:
Yeah, never considered its mass. It would have to be pretty uniform not to bring the star crashing into it I guess, unless it was so thin its mass was negligible wrt the star.
totally:
Please don't add any suns into the universe. Sunless universe will have different rules which will be a major pattern interrupt for most players (a good thing in games).
A physicist proposing a dyson tree? Lol, that is like a geologist proposing a new way to do heart surgery. Anything selfreplicating is an organism. And as an idea, from a biology standpoint, dyson species is extremely interesting. :D
Dyson tree doesn't have "leaves" to transform the energy of the sun into seedlings. Where the dyson organisms get their energy to operate is the question.
Alex:
Early versions of Dyson had a star in the centre of the belt. It served no purpose really and so was removed :)
Also well, a physicist did propose the Dyson Tree, but I guess the tree itself doesn't necessarily have to be a biological organism. It's probably easier for us to get a Dyson tree using biology though - maybe? I dunno :D
wogan:
--- Quote from: totally on February 15, 2009, 08:26:45 AM ---A physicist proposing a dyson tree? Lol, that is like a geologist proposing a new way to do heart surgery.
--- End quote ---
Theoretical physicist - Freeman Dyson. Theoretical physicists are allowed to come up with new organisms :)
--- Quote from: Alex on February 15, 2009, 04:14:40 PM ---Also well, a physicist did propose the Dyson Tree, but I guess the tree itself doesn't necessarily have to be a biological organism.
--- End quote ---
You're right there - it would work better as a self-replicating form of nanotechnology, modelled after a tree. It would also give you an excuse to build lasers into your seedlings. Powering them, though, is another question.
This is where a sun comes in handy. It gives you access to solar energy (and specifically, solar winds, which might form a part of long-distance travel).
The only other real way to power your seedlings would be an oxygen drive, with the oxygen being gathered from the asteroids where they're grown. If you consider it a source of fuel, it would deplete as you explore, but replenish every time you enter orbit around an asteroid with one of your spawning trees on.
totally:
--- Quote from: Wogan May on February 15, 2009, 10:08:59 PM ---You're right there - it would work better as a self-replicating form of nanotechnology, modelled after a tree. It would also give you an excuse to build lasers into your seedlings. Powering them, though, is another question.
--- End quote ---
I don't know why but introducing the concept of nanotechnology would mean that someone built them which, for some reason, lessens the motivation. In other words seedlings, a very aggressive and effective species (top of a food chain) which fights and kills for food, space and influence (much like ourselves or zergs :) ), turn into mindless robots who just run with the preprogramming. No purpouse or place.
--- Quote from: Wogan May on February 15, 2009, 10:08:59 PM ---The only other real way to power your seedlings would be an oxygen drive, with the oxygen being gathered from the asteroids where they're grown. If you consider it a source of fuel, it would deplete as you explore, but replenish every time you enter orbit around an asteroid with one of your spawning trees on.
--- End quote ---
Oxygen doesn't hold much energy, it's a byproduct of plant activity. The source of constant stream of energy in our universe is sun radiation which is utilized by plants and the food chain above them. In dyson universe the source of energy could be, for example, reaction in the cores which is started by the pressure (could be heat or whatever).
Still I am sure that we can design a very complex lifeform which could live and operate in a sunless universe. A universe without a sun, how freaking cool is that? :D
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