Search found 78 matches

by sgt_bear
04 Oct 2019, 19:50
Forum: Spectrum
Topic: Maralingite
Replies: 9
Views: 110

Re: Maralingite

Hi Svilen, Nice spectrum ! Amazing, how were you able to aquire samples of maralingite? I've never seen any for sale or so, the only one that i ever seen are on the page of radioactivethings. I also tried to contact local tour oparators of maralinga site if they can pick up some, but they cant... If...
by sgt_bear
17 Sep 2019, 06:10
Forum: Spectrum
Topic: Menzenschwand, Germany
Replies: 8
Views: 368

Re: Menzenschwand, Germany

Hi Janni, I stopped looking for the entrace because it was very hot (29-30 C), i did not expect this heat. And also i guess its probably better to visit this in later fall, because now the vegetation is fully grown and green and covers alot. Yes i also will come back, with a scintillation detector, ...
by sgt_bear
15 Sep 2019, 02:27
Forum: Spectrum
Topic: Menzenschwand, Germany
Replies: 8
Views: 368

Menzenschwand, Germany

Hi Guys, I was quite inactive, but i've found time to do some radiation related. I decided to visit Menzenschwand in Germany today, which is only 1.5hrs from my town in Switzerland. I wanted to visit this, because there was an old uranium mine, and i was curious what i could find. It was really inte...
by sgt_bear
18 Aug 2019, 19:14
Forum: Spectrum
Topic: Orvieto - High Natural Radiation Background
Replies: 3
Views: 263

Re: Orvieto - High Natural Radiation Background

First of all, i really like the first photo, very nice work. What camera you use? About the gammas, as far as i know, pozzolana and tuff are volcanic ashes or lava rock... do you know if only the volcanic ash in that place is slightly radioactive, or if all volcanic ashes are this way? I'm wondern b...
by sgt_bear
18 Aug 2019, 19:07
Forum: Detectors
Topic: Mirion PDS 100G, Spectrometric Personal Radiation Detector
Replies: 55
Views: 2017

Re: Mirion PDS 100G, Spectrometric Personal Radiation Detector

This is a very interestind an nice detector, i saw those in ebay and were considering purchasing this device.
Does it have a smart phone app?
by sgt_bear
14 Aug 2019, 21:59
Forum: Resources
Topic: Radioactive Minerals
Replies: 6
Views: 307

Radioactive Minerals

Hi guys, I found a website that is for mineral collectors and provides alot of mineral infos. They also have a list of radioactive minerals. http://webmin.mindat.org/determin/radioactivity.php?st=1001&type=rad#.XVLgTHvgqUl The minerals are ascending with radioactivity, so if you want to see the most...
by sgt_bear
14 Aug 2019, 04:37
Forum: Spectrum
Topic: Radiation release near Severodvinsk
Replies: 11
Views: 535

Re: Radiation release near Severodvinsk

Nuclear propulsion is a rocket driven by nuclear power:
https://en.wikipedia.org/wiki/Nuclear_propulsion

Putin announced such a missile last year, so it might be possible they were testing a nuclear powered missile
by sgt_bear
08 Jul 2019, 16:41
Forum: Introductions >> Start Here !
Topic: FYI! Americium Sourse from Smoke Detector
Replies: 4
Views: 391

Re: FYI! Americium Sourse from Smoke Detector

Yes, rules differ very by country, and in most cases the buyer is responsible for the shipment. And even if the seller is responsible, its hard to do anything against asian or western europe sellers on ebay or generally online.
by sgt_bear
20 Nov 2018, 18:11
Forum: Detectors
Topic: Not something you see everyday..
Replies: 2
Views: 1155

Not something you see everyday..

I thought i had to share this one, you don't see such a monstrous detector everyday!
If only i had (alot of) spare money...

4x4" NaI(Ti) Detector on ebay:
https://www.ebay.com/itm/Bicron-Gamma-S ... 3990438352
by sgt_bear
11 Nov 2018, 23:15
Forum: Detectors
Topic: CZT Detector help
Replies: 3
Views: 1385

CZT Detector help

Hello folks, I recently purchased a CZT detector from ebay. Its marked "EV products, B1829 - Division of II-VI Incorporated" I only found this data about it https://www.kephis.com/kephis/czt.htm Providing schematic and details, but no information about the "HV" voltage that needs to applied. Various...