The Cyber-Spy.Com Usenet Archive Feeds Directly
From The Open And Publicly Available Newsgroup
This Group And Thousands Of Others Are Available
On Most IS NNTP News Servers On Port 119.
Cyber-Spy.Com Is NOT Responsible For Any Topic,
Opinions Or Content Posted To This Or Any Other
Newsgroup. This Web Archive Of The Newsgroup And
Posts Are For Informational Purposes Only.
From: "Dirk Bruere"
Subject: Re: Any ideas on measuring radiation in the home ?
Date: Thu, 3 Oct 2002 04:25:16 +0100
References: <2v_l9.76313$jG2.email@example.com><firstname.lastname@example.org> <0I1YkqBZoKm9Ewbi@jmwa.demon.co.uk> <email@example.com> <3D9B093C.F7934D4C@webaccess.net>
Reply-To: "Dirk Bruere"
NNTP-Posting-Host: pc2-bedn1-3-cust51.lutn.cable.ntl.com (184.108.40.206)
X-Newsreader: Microsoft Outlook Express 6.00.2600.0000
"Chuck Simmons" wrote in message
> Dirk Bruere wrote:
> > "Sir Charles W. Shults III" wrote in message
> > news:OTpm9.45614$O8.firstname.lastname@example.org...
> > > Who can say what they believe? I know that they use
> > long
> > > poles and a lead container to clean the stuff up with. They minimize
> > their
> > > exposure with distance; the bunny suits keep any dust from getting on
> > them.
> > When I was playing with radioisotopes at university we discovered
> > quite interesting.
> > We measured the count rate of Co60 after we had removed it from its lead
> > box.
> > At the end of the expt I decided to measure it again even though it was
> > already back in its lead box - no significant change.
> > Dirk
> I am reminded of the wonderful Texas Instruments watch I had years ago.
> I always prefer an analog watch because, in the ordinary way, I'm only
> interested in time to the nearest 5 minutes. But many years ago I bought
> this nice Texas Instruments watch that I could read in a dark room. It
> had a tritium display. Of course I glowed in the dark from the
> radioactivity thus making the watch visible. You can't get these watches
> anymore as far as I know. If you want to glow in the dark so you can
> read your watch, you must make other arrangements.
Those tritium backlights were quite safe - unless broken, in which case the
radioactive gas was released.
It is a very low energy beta emitter.
Go Back To The Cyber-Spy.Com
Usenet Web Archive Index Of
The sci.electronics.design Newsgroup