Re: Re[4]: smoke detector overkill

[king@reasoning.com]

>> 
>> >There are two catalog sales companies called Seventh Generation and Real
>> >Goods that sell EcoFeelGood products.  Their catalogs have always
>> >contained lines of compact flourescent light bulbs that contained no
>> >radioactive starter*, but i really got incensed when they started carrying
>> >a line of contain non-radiation smoke detectors which work off turbidity.
>> 
>> OK where Do I find a radioactive starter?  None that I've ever checked
>> showed anything more than you'd expect from potassium in the glass
>> (including some European manufacturers).  Kathren mentions these in his
>> book but doesn't indicate if such use is dated.
>> 
>> bkolb@arinc.com

You need to break the bulb to sense the radiation.  It's not penetrating.

-dk