What is the best 'alternative' energy?

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Eldritch Warlord

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Lonan said:
The scale of our garbage compared to the scale of the sun makes it insignificant, I'm pretty sure. The sun would incinerate the garbage before even coming into contact with it. And if were worried about it's incinerated form being sent back to us in some way,(by it's radiation or something, I don't know) we could just dump it underneath the sun. Take a look at this to see how the earth's size compares to the sun, and then consider how the size of our garbage loads would compare to the earth. http://www.sciencenetlinks.com/interactives/messenger/psc/PlanetSize.html
Do you think people who would care about moon pollution understood a word of that?
 

KissofKetchup

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Nuclear!!! It's the most powerful, the technology is already there, and the only downside really is the waste and the possibility of a meltdown (but the measures that they take more than make up for that in my opinion)

My favorite "green" energy source would be geothermal though
 

asinann

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Nuclear power would work well if we had more than about a 50 year supply of fuel for it and we had a way to dispose of the waste.

Solar is great in many parts of the world, but there are some that have weather that won't allow it to be used year round.

Hydroelectric has been great for the last hundred years, but people cry about the fish and it's only really usable around larger rivers.

Wind farms would work well in some regions, but like with all the other method that rely on nature it can't really be used everywhere even if you could people don't want to see the windmills.

Geothermal is nice in the places you can use it, but again, can't be used everywhere.

So really you would need to use what you could where you could, and supplement it with nuclear in the few region that had none of those options (I can't think of any that don't have at least one of those available, but I'm sure there's one somewhere.)
 

theultimateend

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Jamithicus said:
Which is your personal favourite 'alternative' energy, like wind turbines, tidal power or nuclear and why? Are there any really good ones that no-ones heard about? Personally I like the idea of Fusion Power, but say whatever you like!
By and far Solar Power is the greatest option.

You could literally wire the US alone to gather more than enough power to sustain the entire world. Without making tons of land un usable either. The only major setback I see is creating an efficient means to transport the energy to other nations and even intra nationally. But that's because I'm not a chemistry or physics major :p.

This probably won't always be true but it is for the foreseeable future.

When you are very close (relatively speaking) to a power source that isn't going to die out before your species does (given how much we like dying) you probably should make use of it.

On a sidenote, I'm told that by containing uranium beads in a certain thickness of ceramics you can create a nuclear power plant who's energy source is already self contained because the melt down temperatures of the uranium never exceed the maximum limitations of the ceramics they are contained it :D.
 

bad rider

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Dec 23, 2007
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Tea, lots and lots of tea.

Marketing line ---> Keeping satisfied since... Well since
 

Lonan

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Oh, I forgot to post it, but there is also this technology, solar power beamed down from space. Not fantasy, but far off.
http://www.youtube.com/watch?v=iIXI_pl-Akk
 

JWAN

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captain awesome 12 said:
JWAN said:
captain awesome 12 said:
How about a mixture of all the ideas, with Nuclear being the focus but supported by wind, solar, hydroelectricity, and in the future fusion energy? We could still use oil and natural gas, but cleaner burning and used mainly for jet transportation. As far as I know there is no way to power a large, passenger, airliner without using gasoline.
Alcohol, the same stuff they put in race cars on the 1/4 mile

hot
fast
and clean
Doesn't it burn way too fast?
you can mix it with another fuel source and slow it down, don't use 100% alcohol :p helluva party though!
 

JWAN

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cuddly_tomato said:
JWAN said:
cuddly_tomato said:
JWAN said:
why not tidal power in the Gulf?
why not in the Pungent Sound? oh yea... Ted Kennedy
private companies sell everything you need to make a solar array or a wind farm, the issue is zoning
Tidal power isn't renewable. I don't think it's a good option.
how is it not renewable?

http://en.wikipedia.org/wiki/Tidal_power
This is the problem with wikipedia - it is a huge croc of shite. NO form of energy is "renewable". If you take energy from something, that something is going to loose some of it.

The tides, and the resistance of the water to being yanked about as it is, is doing two things:-

1. It is slowing down the rotational speed of the earth. The dinosaurs had a shorter day than we do.

2. It is pushing the moon further away from us.

Adding tidal power generators will increase that resistance proportionally to the amount of energy you use, and therefore you will accelerate the two effects I mentioned above.
WTF are you talking about? What is "It" and how is it slowing the rotation of the earth? How would a turbine slow the rotation of the earth and push the moon away from us?

Tidal power uses the tide (when the water comes in and up the shore and when it goes back) it goes on forever and by the time it stops we will have bigger issues to worry about
 

[Gavo]

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Nuclear Power, preferably with fusion.

I did a massive project on this, and I have a very strong opinion now, backed up with facts.
 

captain awesome 12

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JWAN said:
captain awesome 12 said:
JWAN said:
captain awesome 12 said:
How about a mixture of all the ideas, with Nuclear being the focus but supported by wind, solar, hydroelectricity, and in the future fusion energy? We could still use oil and natural gas, but cleaner burning and used mainly for jet transportation. As far as I know there is no way to power a large, passenger, airliner without using gasoline.
Alcohol, the same stuff they put in race cars on the 1/4 mile

hot
fast
and clean
Doesn't it burn way too fast?
you can mix it with another fuel source and slow it down, don't use 100% alcohol :p helluva party though!
I'd be scared of the ground crew drinking on the job.
 

cuddly_tomato

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Nov 12, 2008
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JWAN said:
cuddly_tomato said:
JWAN said:
cuddly_tomato said:
JWAN said:
why not tidal power in the Gulf?
why not in the Pungent Sound? oh yea... Ted Kennedy
private companies sell everything you need to make a solar array or a wind farm, the issue is zoning
Tidal power isn't renewable. I don't think it's a good option.
how is it not renewable?

http://en.wikipedia.org/wiki/Tidal_power
This is the problem with wikipedia - it is a huge croc of shite. NO form of energy is "renewable". If you take energy from something, that something is going to loose some of it.

The tides, and the resistance of the water to being yanked about as it is, is doing two things:-

1. It is slowing down the rotational speed of the earth. The dinosaurs had a shorter day than we do.

2. It is pushing the moon further away from us.

Adding tidal power generators will increase that resistance proportionally to the amount of energy you use, and therefore you will accelerate the two effects I mentioned above.
WTF are you talking about? What is "It" and how is it slowing the rotation of the earth? How would a turbine slow the rotation of the earth and push the moon away from us?

Tidal power uses the tide (when the water comes in and up the shore and when it goes back) it goes on forever and by the time it stops we will have bigger issues to worry about
The tide is based on the moons orbit, it's relative position to the sun, and the earths rotation. Didn't you know that?

Erm... you linked it... did you not read it?

http://en.wikipedia.org/wiki/Tidal_power

Tidal movement causes a continual loss of mechanical energy in the Earth?Moon system due to pumping of water through the natural restrictions around coastlines, and due to viscous dissipation at the seabed and in turbulence. This loss of energy has caused the rotation of the Earth to slow in the 4.5 billion years since formation. During the last 620 million years the period of rotation has increased from 21.9 hours to the 24 hours we see now; in this period the Earth has lost 17% of its rotational energy.
Tidal energy might contribute only a tiny amount to the slowing of the earths rotational speed, the problem is that it is impossible to increase that speed again.

Geothermal is another one I am dubious about. Removing energy from the earths core is a bad idea if we want to have somewhere to live in the future. If it cools down while we are still here we loose the earths magnetic field and are thus royally boned.
 

Jinx_Dragon

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Jan 19, 2009
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Lyiat said:
Anti-Matter Reaction.
You have to be kidding, do you know how many worlds have been destroyed by anti-matter plenary busters?! There is a reason why it is a death sentence for any star ship captain caught using anti-matter you know.

Ok back in the real world: Fusion if we manage to pull off a sustained, energy positive, reaction simply because it is massive amounts of energy that is quite safe radioactive wise. It does go boom pretty big though, but at least the radiation decay is measured in days, not centuries.

Till then concentrated solar energy, seeing I live in Australia where we have endless deserts as far as the eye can see. I'm still annoyed that there is only ONE plant of this sort. A small 'experimental' plant when a kid with a magnifying glass and a colony of ants knows the principles behind it work! Solar furnaces should be making up a vast majority of any country, or any state for that matter, energy production if they are dry, sunny and have lots of open area which are not being utilised in some other fashion. True not a 100% solution, but that is why I say you need a wide range of sources instead of just focusing on a single source of energy production.