Polywell, ITER and the Helium Supply

If polywell fusion is developed, in what ways will the world change for better or worse? Discuss.

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Isochroma
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Postby Isochroma » Sun Apr 20, 2008 9:02 pm

Wired Magazine: Three Smart Things You Should Know About Helium
03.24.08 | 6:00 PM



Although helium is the second-most-plentiful element in the cosmos — it's synthesized in stars by nuclear fusion — Earth is running short of the noble gas. Extracted from natural gas, our supply accumulated in the planet's crust over billions of years — the result of radioactive decay. One-third of that stash lies in the Texas panhandle, and if it continues to be consumed at the current rate, it'll be gone in nine years.

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Postby MSimon » Sun Apr 20, 2008 9:52 pm


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Postby Torulf2 » Sun Apr 20, 2008 10:17 pm


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Don't Need Helium

Postby Warthog » Fri May 23, 2008 2:13 pm


MSimon
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Postby MSimon » Fri May 23, 2008 5:59 pm


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Postby kunkmiester » Sun Jun 07, 2009 9:41 pm

What about hydrogen? Granted you'd need a "no smoking" sign in the cryo plant, but you can get it down to 20 K, and neon can get closer to the helium temps.

Hydrogen should be enough for most superconductors. Think outside the box guys, is there an alternative coolant that could be cycled through the reactor, then a helium bath or some such to get the critical temperature, without needing the massive amounts for the primary coolant?
Evil is evil, no matter how small

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Postby MSimon » Sun Jun 07, 2009 10:55 pm


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Postby jsbiff » Mon Jun 07, 2010 8:58 pm


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Postby zapkitty » Mon Jun 07, 2010 11:37 pm


jsbiff
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Postby jsbiff » Tue Jun 08, 2010 12:04 am


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Postby kcdodd » Tue Jun 08, 2010 2:22 am

Carter

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Postby zapkitty » Tue Jun 08, 2010 5:30 am


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Postby MSimon » Tue Jun 08, 2010 6:39 am


kcdodd
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Postby kcdodd » Tue Jun 08, 2010 7:54 am

Carter

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Postby D Tibbets » Tue Jun 08, 2010 8:55 pm

To error is human... and I'm very human.


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