Search found 3141 matches

by TallDave
Mon Jan 21, 2008 11:16 pm
Forum: Design
Topic: Does a dodecahedron really meet Bussard's requirements?
Replies: 52
Views: 28328

You know what, I think maybe we've (I've?) misunderstood what he meant by "vertex." Look at the truncated cube, it has the same issue. http://en.wikipedia.org/wiki/Truncated_cube Maybe he just meant there was an even number of faces around every place that the surface polygons' edges diverged. That ...
by TallDave
Mon Jan 21, 2008 10:03 pm
Forum: Design
Topic: Does a dodecahedron really meet Bussard's requirements?
Replies: 52
Views: 28328

Re: Does a dodecahedron really meet Bussard's requirements?

Does it matter, though? I thought those losses recirculated along the field lines. If it didn't matter, why did Bussard explicitly mention it in his Google video presentation? Possibly just to make the point that you can't make a closed (nonrecirculating) model of that shape. I seem to recall there...
by TallDave
Mon Jan 21, 2008 10:00 pm
Forum: Design
Topic: Does a dodecahedron really meet Bussard's requirements?
Replies: 52
Views: 28328

Re: Does a dodecahedron really meet Bussard's requirements?

Here's Ligon's picture of the WB-8 truncated dodec (p24ish): http://www.deanesmay.com/files/Inertial_Electrodynamic_Fusion_Compr[1].ppt Interesting, this looks very different from a regular dodec. http://en.wikipedia.org/wiki/Dodecahedron Aha! Here we go: http://en.wikipedia.org/wiki/Truncated_dode...
by TallDave
Mon Jan 21, 2008 9:48 pm
Forum: Design
Topic: Does a dodecahedron really meet Bussard's requirements?
Replies: 52
Views: 28328

On every pass near the MaGrid the electron gets a "gravity boost" because it is on a different path each time. Counter argument! :D Hrmm, not sure that holds up. It has to be a velocity change relative to something else. A slingshot maneuver around a planet changes a spacecraft's velocity relative ...
by TallDave
Mon Jan 21, 2008 9:44 pm
Forum: Design
Topic: Does a dodecahedron really meet Bussard's requirements?
Replies: 52
Views: 28328

Re: Does a dodecahedron really meet Bussard's requirements?

One of the major loss mechanisms Bussard claimed was electrons exiting via line cusps. He further said that it was not possible to eliminate these in a cube geometry machine because each vertex has three faces around it, and you don't want two faces to have the same pole. Fair enough, but a dodecah...
by TallDave
Mon Jan 21, 2008 9:05 pm
Forum: Implications
Topic: Post-Polywell Investment Thoughts
Replies: 15
Views: 14867

Here's what will happen post-Polywell, assuming the order of magnitude savings we've been estimating: People will fall all over themselves to get a piece of the first fat profit margins. Thousands and thousands of IEC fusion plants will be built, all over the world. These will bankrupt the existing ...
by TallDave
Mon Jan 21, 2008 8:49 pm
Forum: News
Topic: ITER Video
Replies: 8
Views: 8024

One word comes to mind watching this:

ENIAC.
by TallDave
Mon Jan 21, 2008 8:45 pm
Forum: News
Topic: Dr Nebel Thanks Bloggers
Replies: 20
Views: 15281

We should temper our optimism.... Dr. Bussard put IEC back on the map, but it is by no means guaranteed soon; I've always said it has a 1 in 3 chance of producing power commercially. That's still about where I stand. I'm saying *don't* tax income... We want to encourage income generation. Taxes dis...
by TallDave
Sun Jan 20, 2008 6:21 am
Forum: News
Topic: Dr Nebel Thanks Bloggers
Replies: 20
Views: 15281

There's a line from Pulp Fiction that applies here

It was nice of Nebel to acknowledge us. Really, though, I just hope this is going somewhere useful.

(You know, the Harvey Keitel line, when Quentin Tarantino's character is astonished how much different the car looks after they clean it out.)
by TallDave
Fri Jan 18, 2008 4:19 am
Forum: Theory
Topic: MIT Talks Plasma Details
Replies: 60
Views: 32389

OK, here is Bussard's take on brem, via Ligon (from Simon's post): Objection 3, bremsstrahlung radiation, is a very complex subject. The essence is that high-velocity electrons, at high density, especially in the presence of ions that have a lot of electrical charge on their nuclei, will cause the e...
by TallDave
Thu Jan 17, 2008 4:18 pm
Forum: General
Topic: A Letter To My Congressman
Replies: 10
Views: 5902

Roger wrote:Bussard was assistant Dir of the AEC... no ?
Thanks, the actual title does sound better than "executive."
by TallDave
Thu Jan 17, 2008 4:16 pm
Forum: General
Topic: A Letter To My Congressman
Replies: 10
Views: 5902

Duh,. electrostatic of course, not electromagnetic. Sheesh. Thanks for catching that, guys.
by TallDave
Thu Jan 17, 2008 4:09 pm
Forum: General
Topic: Morgellons = nanotech-inflicted disease?
Replies: 2
Views: 3263

Last I heard, this was generally ascribed to carpet fiber or clothes fiber and/or Delusional Parasitosis. Some have raised the possibility of Agrobacterium. http://en.wikipedia.org/wiki/Morgellon%27s But the CDC is investigating. Something else we'll learn more about in 2008, sounds like. Centers fo...
by TallDave
Thu Jan 17, 2008 1:18 am
Forum: General
Topic: A Letter To My Congressman
Replies: 10
Views: 5902

Good. I would hit the geopolitical stuff (oil wars) and cut the size in half. Better yet call them. I called last year in an effort to raise funding and couldn't get a rise out of my Cong. Critter. Maybe it is time for another call. Good point, the security issue is taken very seriously. Yeah, Kirk...
by TallDave
Thu Jan 17, 2008 12:03 am
Forum: Theory
Topic: MIT Talks Plasma Details
Replies: 60
Views: 32389

Check this out guys, Nebel's comment on the MSNBC story says it's the most complete treatment of IEC fusion gains: http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=PHPAEN000007000011004547000001&idtype=cvips&gifs=yes I love this sentence: Operating regimes with fusion power to io...