| Topic: |
Science > Physics |
| User: |
"habshi" |
| Date: |
08 Jun 2005 04:48:43 PM |
| Object: |
Table top fusion a reality |
This is better than the hydrogen economy. Leaks will just mean
the very light hydrogen atoms escaping into space and our oceans
gradually evaporating.
excerpt newsweek
Last week, however, researchers at the University of California in Los
Angeles announced in the journal Nature that they had succeeded in
achieving fusion on a small scale. Their device may never provide
power to cities, but it could yield a range of useful technologies.
The proof of their success is the creation of neutrons, a subatomic
particle that is a byproduct of fusion. The last time anyone claimed
to have produced fusion, three years ago, it was in a process called
"sonofusion," in which collapsing bubbles generate intense heat. That
turned out to be a bust when other researchers tried to repeat the
experiment and didn't see any neutrons. "Cold fusion"—the idea that
fusion energy could be produced by running electricity through water
and metal plates—didn't reliably produce neutrons either.
The UCLA team's device is surprisingly low-tech. It relies on a common
ingredient of sea water—deuterium—and a common crystal, often used in
lasers, called lithium tantalate. The crystal is one of a group of
pyroelectric materials, so named because they create electric fields
when they change temperature. (A student of Aristotle noticed this
when studying the gemstone tourmaline.) The team pumped air out of a
narrow cylinder, filled it with deuterium gas—and inserted a chunk of
lithium tantalate. They then warmed the device by 25 degrees Celsius,
producing 100,000 volts. The voltage caused the gas to break up into
positively charged ions (deuterium nuclei, or "deuterons") and
electrons. The freed-up deuterons joined up with those in a solid
deuterium "'target" inside the device. After only a minute or two, it
began emitting neutrons. "You could take it from the freezer and put
it on a countertop and get a measurable neutron signal," says team
member Brian Naranjo.
The device offers many potential applications. Because it emits
X-rays, it could be used to aim the rays directly at a tumor to
destroy it, says UCLA physicist Seth Putterman. It could also enable a
handheld neutron scanner to identify explosives. The most tantalizing
goal, cheap clean energy, is within reach, says UCLA chemist James
Gimzewski, another member of the team. Although the device doesn't
generate a net output of energy—the scientists used more energy to run
the thing than they got out of it—scientists think it's possible, at
least in theory, to produce energy by bunching many tiny versions. "If
you recover the energy of 5 percent of the deuterium in the ocean, you
could power the world for a million years," says Putterman. That
sounds easier than drilling for oil in seabeds.
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| User: "Fred McGalliard" |
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| Title: Re: Table top fusion a reality |
08 Jun 2005 05:30:18 PM |
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"habshi" <habshi@anony.com> wrote in message
news:42a76372.4210464@news.clara.net...
This is better than the hydrogen economy. Leaks will just mean
the very light hydrogen atoms escaping into space and our oceans
gradually evaporating.
excerpt newsweek
Last week, however, researchers at the University of California in Los
Angeles announced in the journal Nature that they had succeeded in
achieving fusion on a small scale.
Given a supply of 100KV deuterons, anyone can produce fusion. The problem is
that the yield per deuteron is so low that this has never been a profitable
way to proceed. Now if you could accelerate them with nearly 100%
efficiency, and get a high percentage to interact with the target, and
recover a high percentage of the energy produced, you might have something.
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| User: "Mike OMalley" |
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| Title: Re: Table top fusion a reality |
08 Jun 2005 07:07:38 PM |
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"habshi" <habshi@anony.com> wrote in message
news:42a76372.4210464@news.clara.net...
This is better than the hydrogen economy. Leaks will just mean
the very light hydrogen atoms escaping into space and our oceans
gradually evaporating.
excerpt newsweek
Add links next time !!
Here's the link to the newsweek article :
http://www.msnbc.msn.com/id/7654627/
and in related news, the EEU is pushing ahead with a fusion reactor :
http://www.msnbc.msn.com/id/8128942/
All the best,
Mike "Moose" O'Malley
__________________________________________________
Moose's Software Valley - Established July, 1996.
WEB: http://move.to/moose
__________________________________________________
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| User: "" |
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| Title: Re: Table top fusion a reality |
08 Jun 2005 08:28:11 PM |
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In sci.physics habshi <habshi@anony.com> wrote:
This is better than the hydrogen economy. Leaks will just mean
the very light hydrogen atoms escaping into space and our oceans
gradually evaporating.
Moron.
<snip>
--
Jim Pennino
Remove .spam.sux to reply.
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| User: "habshi" |
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| Title: Re: Table top fusion a reality |
09 Jun 2005 03:08:01 AM |
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Please explain Jim why leaks from hydrogen tanks will not
allow the hydorgen atoms to escape into space? The earth's gravity is
too weak to hold on to hydrogen atoms
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| User: "" |
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| Title: Re: Table top fusion a reality |
09 Jun 2005 09:40:18 AM |
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In sci.physics habshi <habshi@anony.com> wrote:
Please explain Jim why leaks from hydrogen tanks will not
allow the hydorgen atoms to escape into space? The earth's gravity is
too weak to hold on to hydrogen atoms
That's not what you said twit, you said the oceans were going to
evaporate away.
And what leaks in what tanks are you babbling about now?
And why is the amount of hydrogen in the atmosphere typically 10 times
the amount of ozone if the earth's gravity is "too weak to hold on to
hydrogen atoms"?
Just more habshi nonsense babble.
--
Jim Pennino
Remove .spam.sux to reply.
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| User: "Uncle Al" |
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| Title: Re: Table top fusion a reality |
08 Jun 2005 06:48:26 PM |
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habshi wrote:
This is better than the hydrogen economy. Leaks will just mean
the very light hydrogen atoms escaping into space and our oceans
gradually evaporating.
[snip]
Idiot wog.
--
Uncle Al
http://www.mazepath.com/uncleal/
(Toxic URL! Unsafe for children and most mammals)
http://www.mazepath.com/uncleal/qz.pdf
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