[ RadSafe ] What fertilizer - specifically??? Audio hook up and visual display essential

[parthasarathy k s]

Dear Dr Castro,

You must hook up the detector with a counting circuit with an audible output.
I have used a bank of Geiger Muller Counters connected to a mini-speaker and additionally a light which will go on or off with every click! Of course I had a bagful of beach sand from Kerala and and concentrated monazite ore. A bag of potassium chlorate (??) is handy.

I organized a half hour discussion cum demonstration on a local TV station.

Regards
Parthasarthy 


________________________________
 From: Ted de Castro <tdc at xrayted.com>
To: The International Radiation Protection (Health Physics) Mailing List <radsafe at health.phys.iit.edu> 
Sent: Monday, 5 November 2012, 21:48
Subject: [ RadSafe ] What fertilizer - specifically????
 
I need to give a general radiation talk and want to include samples of radiation around us ....

I have my Fiestaware, lamp mantel, sand from the beach in Kerala India, smoke detector sources, DU, NoSalt and thought maybe a small bag of fertilizer would go well.

Any specific suggestions to make my quest quicker - and yeah yeah I know - not in a crowded store with lots of customers and volume full up.

Thanks for your help.
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