02-20-2008, 01:20 PM
*grins* I've been looking at this all day, waiting until I had a chance to spend some proper times going through things...
Firstly, a couple of corrections:
First off, power (I'm an alternative energy nut):
Tidal:
Deep water tidal is actually a very constant source, if linked to the ups and downs of "high and low tide", rather than to actual waves. The idea is to funnel the raising and lowering of the ocean surface through a fan propelled by diagonal holes - the huge mass of the ocean pressing on the fan more than makes up for the lack of quick movement.
Also, offshore tidal generators would not restrict water access to a great extent - they can be several kilometers away from the mainland.
The cons are simply that due to the large forces involved, and the vagueries of the ocean (i.e. living creatures, sand particles, etc), lots of maintenance and parts replacement is needed.
So:
Pros:
Efficient, regular power.
Low environmental impact.
Cons:
labor intensive.
Requires frequent part replacement.
Wind, also, has the additional con of being extremely noisy, in large-scale wind farms, at least. So:
Pros:
Pretty much constant, as the wind coming off the sea/ocean would be a nigh guarantee
Free!
Cons:
Considered by some to be unsightly.
Is, again, dependent on the wind.
Noise pollution.
Now onto water.
Processing saltwater into fresh water is, unfortunately, very power intensive. If we're looking at renewable energy sources, it may not be possible.
You have, however, missed the simplest source of fresh water there is - [i]rain[i]. If we're designing this city from the ground up, it would be easy to pipe-connect all the roofs. No maintenance would be needed that wouldn't be needed with any other kind of water supply. The only downside would be extra tank storage space needed. So:
Pros:
Simple.
Not much extra cost to set up, as roofing and guttering needs to be built anyway.
Cons:
Extra water tank storage needed due to inconsistent supply.
Waste:
A simple solution is chemical toilets. Basically, it's a variation on the pit toilet, except that waste falls into a bacteria-laden box, where it is slowly converted into fertilizer over time.
Pros:
No complex treatment plant or sewerage system necessary.
Cons:
Need to be "switched" every two years or so.
There are also "backyard" versions of grey water treatment plants, but I'll leave someone more knowledgeable to sort out the pros and cons.
Internet:
As far as Satellite hookups go, if we've got a whole cities-worth of resources at our disposal, then we can damn-well launch our own satellite. Orbital objects cost around $400/kg to launch, but from what I've seen, the majority of that is labor costs and general bureaucracy - I had a look into the possibility of making and launching one a while back, but the other interested people became less interested when it started looking like work was involved, rather than just sitting around chatting about it.
Another option might be laser-hookup to the mainland, via several waystations - though I suspect that the satellite option would be cheaper. Laser's a decent intranet hookup option, though...
Education I have a huge number of ideas for, but I'll leave it 'til another day.
Transport:
A slightly simpler option than the moving pathways would be ski-lift style constructions - less moving parts than the pathways, cheaper to maintain.
To be honest, though, if we're talking a small island, my thought would be bicycles - with motorised transport available for those that need it.
Other sections needed are industry and politics.
Industry I'm thinking tourism, art, music, writing, server hosting, etc.
Politics is a harder one - it would really depend on the size of the place.
Some more food for thought...
Firstly, a couple of corrections:
First off, power (I'm an alternative energy nut):
Tidal:
Deep water tidal is actually a very constant source, if linked to the ups and downs of "high and low tide", rather than to actual waves. The idea is to funnel the raising and lowering of the ocean surface through a fan propelled by diagonal holes - the huge mass of the ocean pressing on the fan more than makes up for the lack of quick movement.
Also, offshore tidal generators would not restrict water access to a great extent - they can be several kilometers away from the mainland.
The cons are simply that due to the large forces involved, and the vagueries of the ocean (i.e. living creatures, sand particles, etc), lots of maintenance and parts replacement is needed.
So:
Pros:
Efficient, regular power.
Low environmental impact.
Cons:
labor intensive.
Requires frequent part replacement.
Wind, also, has the additional con of being extremely noisy, in large-scale wind farms, at least. So:
Pros:
Pretty much constant, as the wind coming off the sea/ocean would be a nigh guarantee
Free!
Cons:
Considered by some to be unsightly.
Is, again, dependent on the wind.
Noise pollution.
Now onto water.
Processing saltwater into fresh water is, unfortunately, very power intensive. If we're looking at renewable energy sources, it may not be possible.
You have, however, missed the simplest source of fresh water there is - [i]rain[i]. If we're designing this city from the ground up, it would be easy to pipe-connect all the roofs. No maintenance would be needed that wouldn't be needed with any other kind of water supply. The only downside would be extra tank storage space needed. So:
Pros:
Simple.
Not much extra cost to set up, as roofing and guttering needs to be built anyway.
Cons:
Extra water tank storage needed due to inconsistent supply.
Waste:
A simple solution is chemical toilets. Basically, it's a variation on the pit toilet, except that waste falls into a bacteria-laden box, where it is slowly converted into fertilizer over time.
Pros:
No complex treatment plant or sewerage system necessary.
Cons:
Need to be "switched" every two years or so.
There are also "backyard" versions of grey water treatment plants, but I'll leave someone more knowledgeable to sort out the pros and cons.
Internet:
As far as Satellite hookups go, if we've got a whole cities-worth of resources at our disposal, then we can damn-well launch our own satellite. Orbital objects cost around $400/kg to launch, but from what I've seen, the majority of that is labor costs and general bureaucracy - I had a look into the possibility of making and launching one a while back, but the other interested people became less interested when it started looking like work was involved, rather than just sitting around chatting about it.
Another option might be laser-hookup to the mainland, via several waystations - though I suspect that the satellite option would be cheaper. Laser's a decent intranet hookup option, though...
Education I have a huge number of ideas for, but I'll leave it 'til another day.
Transport:
A slightly simpler option than the moving pathways would be ski-lift style constructions - less moving parts than the pathways, cheaper to maintain.
To be honest, though, if we're talking a small island, my thought would be bicycles - with motorised transport available for those that need it.
Other sections needed are industry and politics.
Industry I'm thinking tourism, art, music, writing, server hosting, etc.
Politics is a harder one - it would really depend on the size of the place.
Some more food for thought...
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