Search found 21 matches

by jcs78227
Sun Jun 03, 2012 10:17 am
Forum: Neutrons, Radiation, and Detection (& FAQs)
Topic: Help With A Cloud Chamber?
Replies: 10
Views: 5678

Re: Help With A Cloud Chamber?

<t>Andrew Caldarone wrote:<br/> > Yes, dry ice is in the chamber, but the two sections are sealed off from each other by the black metal base (at least, in theory). There might be some microscopic out gassing occurring that might be seeping through the weatherstripping and disrupting things.<br/> > ...
by jcs78227
Mon Mar 26, 2012 10:40 am
Forum: Other Forms of Fusion - Theory, Construction, Discussion, URLs
Topic: Linear accelerator and photo nuclear reactions
Replies: 5
Views: 2766

Re: Linear accelerator and photo nuclear reactions

<t>Chris Bradley wrote:<br/> <br/> > Is it me?<br/> <br/> No Chris, it isn't you. I felt the same way after reading the post. A dozen different directions for this "accelerator" and no solid goal. The fusor that was planned fell through, but a linac...not as big a challenge? At least he gets the gis...
by jcs78227
Thu Mar 01, 2012 8:13 pm
Forum: Fusion --- Past, Present, and Future
Topic: Fusor Project Presented to Local Community Group Meeting
Replies: 3
Views: 2259

Re: Fusor Project Presented to Local Community Group Meeting

<t>Jim,<br/> <br/> As a fellow Pennsylvanian, I'm glad to hear it went so well! I am especially surprised there were no jokes or overreactions as to the nuclear aspect. That kind of thing is only "funny" for so long.<br/> <br/> Speaking from chemist's point of view, I don't get the connection to rad...
by jcs78227
Mon Feb 27, 2012 3:39 am
Forum: Neutrons, Radiation, and Detection (& FAQs)
Topic: Alpha-particle spark detector
Replies: 25
Views: 10739

Re: Alpha-particle spark detector

<t>Joe,<br/> <br/> I have to echo some other's observations: you did an excellent job. If I didn't know better, I'd swear you bought it.<br/> <br/> I've had a roll of tungsten wire sitting around since seeing Carl's build last year and still haven't put together the PS yet. For sure, it will look no...
by jcs78227
Sun Feb 26, 2012 10:00 am
Forum: Other Forms of Fusion - Theory, Construction, Discussion, URLs
Topic: laser ICF + Sonofusion = BSF
Replies: 18
Views: 8249

Re: laser ICF + Sonofusion = BSF

<r>Thought I'd comment on your "I claim" post. <br/> <br/> I see you filed a patent: <URL url="http://ip.com/pdf/patapp/US20120014491.pdf">http://ip.com/pdf/patapp/US20120014491.pdf</URL><br/> <br/> <URL url="http://ip.com/patapp/US20120014491">http://ip.com/patapp/US20120014491</URL><br/> <br/> Mik...
by jcs78227
Sun Feb 12, 2012 5:34 am
Forum: Neutrons, Radiation, and Detection (& FAQs)
Topic: Silver Activation From Hell - 18MeV Clinac.
Replies: 13
Views: 4581

Re: Silver Activation From Hell - 18MeV Clinac.

<r>Speaking of those ultra hot 124Sb-Be mixtures, the 50's, and silver coin activation:<br/> <br/> <URL url="http://www.orau.org/ptp/collection/medalsmementoes/dimes.htm"><LINK_TEXT text="http://www.orau.org/ptp/collection/meda ... /dimes.htm">http://www.orau.org/ptp/collection/medalsmementoes/dimes...
by jcs78227
Sat Jan 21, 2012 8:24 am
Forum: Neutrons, Radiation, and Detection (& FAQs)
Topic: Sodium Iodide Nal - A lesson to learn
Replies: 7
Views: 3675

Re: Sodium Iodide Nal - A lesson to learn

<t>Steve,<br/> <br/> Yes, it looks like moisture was a huge problem. Hard to imagine if you cleaned up the mess straight-away that you'd see that amount of damage...I'm actually kind of shocked myself.<br/> <br/> I guess it's a nice reminder to us how hygroscopic NaI crystals are and that when they ...
by jcs78227
Thu Nov 03, 2011 8:13 pm
Forum: Fusor Construction & Operation (& FAQs)
Topic: Deuterium Lecture bottle
Replies: 26
Views: 10211

Re: Deuterium Lecture bottle

<t>Doug Coulter wrote:<br/> > I have many books that refer to CP as "commercially pure" *not* "chemically pure" and in any case, it'd be the rare case to call 97% "reagent grade" except in special situations. Not to pick nits though.<br/> <br/> <br/> Doug, <br/> <br/> I didn't call 97% reagent grade...
by jcs78227
Tue Nov 01, 2011 8:00 am
Forum: Fusor Construction & Operation (& FAQs)
Topic: Deuterium Lecture bottle
Replies: 26
Views: 10211

Re: Deuterium Lecture bottle

bill fain wrote:
>It is 99.7% D2 (CP? grade).

CP is a reagent grade abbreviation for Chemically Pure. Depending on the material in question, it can be anywhere from slightly more pure to significantly more pure in nature than technical grade.

-Jonathan
by jcs78227
Fri Oct 28, 2011 12:27 am
Forum: Neutrons, Radiation, and Detection (& FAQs)
Topic: X-Ray shield your Hornyak Button?
Replies: 5
Views: 2554

Re: X-Ray shield your Hornyak Button?

<t>Anthony Webb wrote:<br/> > The original "optical" detector for X- rays was barium platinocyanide, or, as it would now be known, barium hexacyanoplatinate. I don't know what range of wavelengths it covered.<br/> <br/> Correction: It is now know as barium tetracyanoplatinate(II), BaPt(CN)4. The tet...