[Noisebridge-discuss] cesium/caesium 137 for calibration of nuclear analyzer

Jake jake at spaz.org
Thu May 10 22:27:18 UTC 2012

yes!  thank you.

so, last night we had a UAV session but only because ANOTHER martin 
brought an octocopter!  I took a video which is still uploading.  He is 
part of matternet.us which aims to actually allow the mailing of parcels 
by drone - instantly!!!

I still look forward to seeing your drone technology, and I still want to 
build my own using mylar (or something) and a neutral-buoyancy fill of 
helium (or hydrogen) and have the thing fly horizontally into the wind or 
circle in no-wind, for the purpose of keeping a camera aloft for a long 

Please let me know if and when to prepare for the samples being in town. 
If they can stay for a minute, i can certainly keep them in a safe place.

since Cesium-137 is at 661 KeV I also need something with a much lower 
energy, like Americium or anything in the low hundreds of KeV...

thank you!

On Thu, 10 May 2012, Martin Bogomolni wrote:

> Jake, I'll ask if I can bring a small sampling of calibration targets
> from UC Santa Cruz next time I'm at NB ( Sometime between May 17-22 ).
> -M
> On Thu, May 10, 2012 at 4:12 AM, Jake <jake at spaz.org> wrote:
>> yes i've heard of unitednuclear.com
>> They are sold out.
>> On Thu, 10 May 2012, Ever Falling wrote:
>>> try here maybe?  http://unitednuclear.com
>>> On Thu, May 10, 2012 at 1:49 AM, Jake <jake at spaz.org> wrote:
>>>      does anyone have a cesium / caesium 137 sample i can use at
>>>      noisebridge?
>>>      or radium, such as in a watch dial, or a bunch of old smoke
>>>      detectors..
>>>      we made a nuclear analyzer and i'm trying to calibrate it.
>>>      thanks
>>>      -jake
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