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Power Generation and Renewable Energy

02/26/2010 10:46 AM

hi all........... i want to know what is power generation by renewable sources...

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#1

Re: Power Generation and Renewable Energy

02/27/2010 6:01 PM

Roughly speaking, these are renewable resources: wind, solar, hydro, biofuel.

These are generally considered unrenewable: coal, underground oil, uranium. (Over the very long term, coal and oil might be renewable, but too slowly to be practical.)

Oceanic deuterium might someday fuel nuclear fusion. The supply is finite, but very large, so even if not renewable it could last a long time. Even uranium could last for a fair while.

In an ultimate sense, they are all unrenewable. In about 5 billion years, the Sun will no longer be available--and with it will go the other renewables.

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#2

Re: Power Generation and Renewable Energy

03/01/2010 3:10 AM

Everything is renewable. It's only a question of timescale.

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#3
In reply to #2

Re: Power Generation and Renewable Energy

03/01/2010 4:05 AM

Well, maybe--even though this universe winds down on the 2nd Law, a black hole somewhere inflates into a new universe....

But would this renew things, or would it be quite different?

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