Actual Polywell News!

Point out news stories, on the net or in mainstream media, related to polywell fusion.

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eige1123
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Joined: Wed Jul 28, 2010 2:28 pm

Actual Polywell News!

Post by eige1123 »


hanelyp
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Re: Actual Polywell News!

Post by hanelyp »

A biased probe analysis of potential well formation in an electron only, low beta Polywell magnetic field
Doesn't sound applicable except as a transient startup condition.
The daylight is uncomfortably bright for eyes so long in the dark.

ladajo
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Location: North East Coast

Re: Actual Polywell News!

Post by ladajo »

Paywalls suck. Have to see if I can pull the full article at work.
The development of atomic power, though it could confer unimaginable blessings on mankind, is something that is dreaded by the owners of coal mines and oil wells. (Hazlitt)
What I want to do is to look up C. . . . I call him the Forgotten Man. (Sumner)

choff
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Location: Vancouver, Canada

Re: Actual Polywell News!

Post by choff »

Was searching for Polywell news, one thing I did find was that ONR has a face book page where people have been asking about it. Personally don't have face book account so can't check it out.
CHoff

Betruger
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Joined: Tue May 06, 2008 11:54 am

Re: Actual Polywell News!

Post by Betruger »

Just make one for your cat or something?
You can do anything you want with laws except make Americans obey them. | What I want to do is to look up S. . . . I call him the Schadenfreudean Man.

polyill
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Re: Actual Polywell News!

Post by polyill »

A cat showing interest in polywell
would trigger CIA surveillance for sure...

hanelyp
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Re: Actual Polywell News!

Post by hanelyp »

choff wrote:Was searching for Polywell news, one thing I did find was that ONR has a face book page where people have been asking about it. Personally don't have face book account so can't check it out.
https://www.facebook.com/officeofnavalresearch
A single question about polywell, asking what many here want to know.
The daylight is uncomfortably bright for eyes so long in the dark.

MSimon
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Location: Rockford, Illinois
Contact:

Re: Actual Polywell News!

Post by MSimon »

hanelyp wrote:
choff wrote:Was searching for Polywell news, one thing I did find was that ONR has a face book page where people have been asking about it. Personally don't have face book account so can't check it out.
https://www.facebook.com/officeofnavalresearch
A single question about polywell, asking what many here want to know.
I asked this question:

How is the Polywell Fusion research doing? When will we see a Polywell powered ship?
Engineering is the art of making what you want from what you can get at a profit.

djolds1
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Re: Actual Polywell News!

Post by djolds1 »

polyill wrote:A cat showing interest in polywell would trigger CIA surveillance for sure...
Everyone on this board is interested in nuclear physics, and has waxed poetic on the Orion nuclear pulse propulsion system at least once.

If we all aren't on a watch list already, someone(s) at FBI and DHS (and the foreign equivalents thereof) need to be fired for incompetence.

Pay it no mind. That is just the reality of life in a digital age.
Vae Victis

chrismb
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Joined: Sat Dec 13, 2008 6:00 pm

Re: Actual Polywell News!

Post by chrismb »

No-one's ever argued a Polywell can't trap electrons.

...So what?

Where's the evidence that electrons can trap ions? That's what is important. But that is like trying to anchor a boat with a tooth-pick.

It makes it all the more difficult to interpret ANY claims on 'confinement' in a Polywell... does such a comment relate to the confinement of electrons (for which there are much better devices capable of confining higher density electrons), or of confining high energy ions with slow electrons? One must always presume the former, because there has never yet been evidence for the latter.
Last edited by chrismb on Fri May 24, 2013 6:05 pm, edited 1 time in total.

ladajo
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Location: North East Coast

Re: Actual Polywell News!

Post by ladajo »

Chris,
Where's the evidence that electrons can trap ions?
Is this not just a question of scale? A dense enough collection of (e-)s will create a sufficiently negative potential to attract and retain in a corrosponding density (+)s. The trick is to find the balance of (e-)s to (+)s that do what you want I think. Too much (e-)s and you promote neutral generation. Too much (+) and you overwhelm the (-), not to mention promote (+) to (+) repulsion.

I think that the evidence that (e-) traps (+) is in the known results that Bussard/Nebel got fusion (n)s (more than once). This is also evident for anyone who runs a fusor. The only difference being virtual (electron cloud) to real (metal) negative potential. It is (e-)s for either that make it happen.

I don't think you thought your comment through fully.
The development of atomic power, though it could confer unimaginable blessings on mankind, is something that is dreaded by the owners of coal mines and oil wells. (Hazlitt)
What I want to do is to look up C. . . . I call him the Forgotten Man. (Sumner)

chrismb
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Joined: Sat Dec 13, 2008 6:00 pm

Re: Actual Polywell News!

Post by chrismb »

There are many ways in which neutrons could have been produced in short discharges in previous Polywell designs (and that's not even counting how the near-statistically-insignificant neutron detection rates could have been jeopardised). Whatever the neutron detection rates of past, or present, Polywells, this in itself cannot show that ions trap electrons.

Ambipolarity reigns supreme. Where ions go, the electrons follow.

The idea that a teeny, slow, electron could somehow trap a fast moving ion is like trying to imagine a dog grabbing a 40 ton truck off the highway as it drives by. The Brillouin limit puts limits on how many 'dogs' you'd be allowed to set to that task, all at once. Without clear evidence of, even, the possibility it just seems a bit ridiculous, really.

A fusor doesn't remotely work by trapping electron charge. All free electrons are immediately shot into the outer shell by the electric fields between the grid and the shell. The original designs that tried to do this, Farnsworth's first design and later the ETW design, failed to produce any evidence of ion trapping, let alone actually produce any neutrons. They were complete failures.

DeltaV
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Joined: Mon Oct 12, 2009 5:05 am

Re: Actual Polywell News!

Post by DeltaV »

chrismb wrote:The idea that a teeny, slow, electron could somehow trap a fast moving ion is like trying to imagine a dog grabbing a 40 ton truck off the highway as it drives by. The Brillouin limit puts limits on how many 'dogs' you'd be allowed to set to that task, all at once. Without clear evidence of, even, the possibility it just seems a bit ridiculous, really.
Seven wolftrons trapping a moosion:
Image

DeltaV
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Joined: Mon Oct 12, 2009 5:05 am

Re: Actual Polywell News!

Post by DeltaV »

Beyond the Brillouin Limit with the Penning Fusion Experiment
Densities up to 35 times the Brillouin density (limiting number density in a static trap) have been observed by strong (100:1) spherical focussing.

ladajo
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Joined: Thu Sep 17, 2009 11:18 pm
Location: North East Coast

Re: Actual Polywell News!

Post by ladajo »

chrismb wrote:There are many ways in which neutrons could have been produced in short discharges in previous Polywell designs (and that's not even counting how the near-statistically-insignificant neutron detection rates could have been jeopardised). Whatever the neutron detection rates of past, or present, Polywells, this in itself cannot show that ions trap electrons.

Ambipolarity reigns supreme. Where ions go, the electrons follow.

The idea that a teeny, slow, electron could somehow trap a fast moving ion is like trying to imagine a dog grabbing a 40 ton truck off the highway as it drives by. The Brillouin limit puts limits on how many 'dogs' you'd be allowed to set to that task, all at once. Without clear evidence of, even, the possibility it just seems a bit ridiculous, really.

A fusor doesn't remotely work by trapping electron charge. All free electrons are immediately shot into the outer shell by the electric fields between the grid and the shell. The original designs that tried to do this, Farnsworth's first design and later the ETW design, failed to produce any evidence of ion trapping, let alone actually produce any neutrons. They were complete failures.
I guess we will agree to disagree then.
The development of atomic power, though it could confer unimaginable blessings on mankind, is something that is dreaded by the owners of coal mines and oil wells. (Hazlitt)
What I want to do is to look up C. . . . I call him the Forgotten Man. (Sumner)

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