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660
Any opinions from other members so far ? Cari saluti, Capitano. ... http://teachers.web.cern.ch/teachers/archiv/hst2000/teaching/expt/sascha/sascha.htm...
Ing. Hannes Mayer
al_birdie_2000
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Dec 3, 2008
3:35 pm
661
Enjoy :-) http://www.polares.org/cms/aid=721.phtml Cari saluti, Capitano. -- +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~+ ... ...
Ing. Hannes Mayer
al_birdie_2000
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Dec 21, 2008
10:19 pm
662
Dear all, i am currently playing arround with an avalanche photo diode (APD). As expected my current setup is quite sensitive to light in the visible range....
erdmannmichael
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Dec 29, 2008
6:23 pm
663
Hi Guys, I have been at work, with the suggestions offered thank you. http://www.hardhack.org.au/radioactive http://www.hardhack.org.au/xrays I now have a...
robertatairstream
robertatairs...
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Feb 25, 2009
9:22 pm
664
Hi Guys, I have been at work, with the suggestions offered thank you. http://www.hardhack.org.au/radioactive http://www.hardhack.org.au/xrays I now have a...
Robert Hart @ Air-Str...
robertatairs...
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Feb 25, 2009
9:23 pm
665
Hi Robert You might try taking your Geiger counter to a hardware store and asking to check out the gas lamp mantles. Not so many years ago the mantles were...
John Murray
johnramurray
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Feb 25, 2009
9:57 pm
666
You may want to "sacrifice" a regular cheap home-use smoke detector. Many smoke detectors use a small ion chamber as the smoke detecting element. Inside the...
Noel Verbiest
nverbies
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Feb 27, 2009
3:49 am
667
Thanks Noel, I have no problem hacking apart a smoke detector, don't know why I don't just pop down to the store a get a few :-P in the first place, I'll get...
robertatairstream
robertatairs...
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Feb 27, 2009
7:03 am
668
http://cdsweb.cern.ch/journal/popup?name=CERNBulletin&type=breaking_news&record=1164167&ln=en Cheers, Hannes. -- ...
Ing. Hannes Mayer
al_birdie_2000
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Feb 27, 2009
5:02 pm
669
Is there any way to visit the LHC underground areas? Or is it all sealed up and off limits to outsiders? I've been to the Microcosm museum but would like to...
n8fgv
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Feb 27, 2009
8:38 pm
670
Take your geiger counter to flea markets, yard sales or thrift stores, look for an older alarm clock with a radium dial. My dad's old alarm clock provides a...
n8fgv
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Feb 27, 2009
8:38 pm
671
... If you have the right connections ;-) I will probably have the chance to go down this year, but so far all is open.... Cheers, Hanness. ... -- ...
Ing. Hannes Mayer
al_birdie_2000
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Feb 27, 2009
8:42 pm
672
for some reason my posts are not delivered (at least to me) so here is a forward ... Subject: Latest from the LHC Date: Fri, 27 Feb 2009 18:02:41 +0100 From:...
Ing. Hannes Mayer
al_birdie_2000
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Feb 28, 2009
7:05 am
673
Do you all get my posts delivered by email ? Thanks, Hannes. -- +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~+ ... ...
Ing. Hannes Mayer
al_birdie_2000
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Feb 28, 2009
7:11 am
674
... Sorry for the noise ... provider issue on my side Sorry again. Cheers, Hannes. -- +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~+ ... ...
Ing. Hannes Mayer
al_birdie_2000
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Feb 28, 2009
7:15 am
675
Seems fine for me. Clay ... From: particledetector@yahoogroups.com [mailto:particledetector@yahoogroups.com] On Behalf Of Ing. Hannes Mayer Sent: Saturday,...
fanman
freshndaire
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Feb 28, 2009
7:16 am
676
... Loud and clear, Hannes. Marco...
Marco IK1ODO -2
ik1odo
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Feb 28, 2009
8:24 am
677
Yes, all posts arrive by email. Jack3...
jacklusk3
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Feb 28, 2009
9:06 pm
678
The answer is yes. I arranged a visit for my college physics group. However we had to cancel due to unforseen circumstances. Educational visits are allowed...
michael dowling
michael.dowl...
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Mar 2, 2009
9:18 pm
679
I went out on the weekend and bought a smoke detector for only $7AU which has a nice little alloy disk with americium 241 (according the package). It seems to...
robertatairstream
robertatairs...
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Mar 5, 2009
6:50 am
680
G'day Robert, ... this sounds a little strange to me, since alphas won't go thru the glass of the tube. Most likely your source also produces a good amount of...
Ing. Hannes Mayer
al_birdie_2000
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Mar 5, 2009
9:05 am
681
That is excellent feedback Hannes, as I was very disappointed that I didn't get the same level reaction in the tube detector as I did with a Geiger counter. As...
robertatairstream
robertatairs...
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Mar 5, 2009
11:10 am
682
Robert, Americanium 241 is a strong alpha emitter and a weak gamma emitter. The glass in your tubes will block the alphas.  Most Geiger counters have tube...
Ronald Fleshman
ronfleshman
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Mar 5, 2009
1:40 pm
683
I've posted a few new files in the Rodney_Howe folder: 090222 and 090220 where there seems to be an increase in the average muon count during the early morning...
Rodney Howe
rhowe_628
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Mar 6, 2009
2:34 am
684
I've just bought 10x very cheap Geiger tubes from Russia (all tested ok) and was going to construct a muon detector in a similar configuration to my planned...
robertatairstream
robertatairs...
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Oct 27, 2009
6:51 pm
685
Progress is continuing, all be it slowly, as I have been experiencing issues with stability using fluorescent tubes. There are many variable between different...
robertatairstream
robertatairs...
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Oct 27, 2009
6:52 pm
686
the first nuclear reactor was not the same as what they are using today. no, this reactor was called a breed reactor. it was such an important discovery in...
boxa588
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Oct 27, 2009
6:52 pm
687
Hi all, first of all, I'm very sorry about the long absence! There were some complicated issues I had to deal with. But now things are getting better. When I...
al_birdie_2000
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Oct 27, 2009
7:16 pm
688
Breeder reactors do not create matter from nothing and do not violate any conservation laws. They merely transmute the non-fissionable uranium-238 isotope,...
DanielS
n8fgv
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Nov 6, 2009
3:59 pm
689
Nice to see the list is back. I've been making a few variation of Geiger Muller array detector here is one http://www.hardhack.org.au/geiger_muller_detector...
Robert
robertatairs...
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Nov 6, 2009
3:59 pm
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