Re: If radiation is random, how can 1/2 life be exact?

stephen_at_nomail.com
Date: 08/10/04 

Date: 10 Aug 2004 06:11:02 GMT

Daniel Weston <daniel009@webtv.net> wrote:

: If the atoms that radiate do in fact radiate randomly, why are not their
: 1/2 lives random? I cannot think of a model that would account for
: this. Does anyone have any ideas?

: NOTE: For the purposes of posing the above question, I will arbitrarily
: define random as something occurring without causality.

Suppose you had 100 six sided dice. You roll the dice and remove
all the dice that come up as a 1. Repeat. How many rolls on average
will it take until you only have 50 or fewer dice left? Try it for 1000 dice
and see what the answer is.

Stephen

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