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Re: Someday "everything" will be powered by...

by gloryhack (Deacon)
on Jan 12, 2006 at 18:19 UTC ( #522771=note: print w/ replies, xml ) Need Help??


in reply to Someday "everything" will be powered by...

Look deeply enough and you will find that everything is powered by sunlight already. :)


Comment on Re: Someday "everything" will be powered by...
Re^2: Someday "everything" will be powered by...
by Perl Mouse (Chaplain) on Jan 12, 2006 at 21:30 UTC
    Actually, that isn't true. There are a few (experimental) power station that get their power from the temperature gradient of the earth crust - usually by making use of hot water. The inner earth isn't heated by the sun - it's hot because of gravity and tidal forces (and tidal forces are caused by gravity as well). And if you look deep enough, than sunlight is caused by gravity as well. So, everything is powered by gravity. ;-)
    Perl --((8:>*
      Generating electricity from nuclear fission is also non-solar and has progressed beyond the experimental stage.
        Howdy!

        ...well, where did those heavy elements that fission piles use come from? Extreme sunlight! (supernovae, after all, are just sunlight gone way over the top...)

        yours,
        Michael
      There are a few (experimental) power station that get their power from the temperature gradient of the earth crust
      There are more than "experimental" - In Nuclear Free New Zealand we've been seriously using the Wairakei Geothermal power station since 1958, and we are currently increasing the amount of geothermal electricity we generate.

      It's a "sustainable" resource, but it's sadly not a renewable one.

      Remembers... Hmmm Wairakei and Perl are linked for me... I first learned Perl in a tutorial at a Uniforum conference in the hotel at Wairakei (just around the corner from the powerstation) :o)

Re^2: Someday "everything" will be powered by...
by ciderpunx (Vicar) on Jan 14, 2006 at 13:49 UTC
Re^2: Someday "everything" will be powered by...
by QM (Vicar) on Jan 15, 2006 at 01:15 UTC
    Tidal forces will remain after the last star burns out.

    -QM
    --
    Quantum Mechanics: The dreams stuff is made of

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