Date: Thu Oct 23 21:21:52 2008

Author: Bernard Cleyet

Subject: Re: X-Rays Detected From Scotch Tape

Post:

On about < the mean free path of the electrons in the residual gas.
Given in the article 0.002" (~ 51 E-6 m), so go figger.

Not the best for calculation:


http://mysite.du.edu/~jcalvert/phys/scat.htm

bc skimmed


On 2008, Oct 23, , at 14:18, Marc "Zeke" Kossover wrote:

> I wonder how hard the vacuum needs to be? 10^-5? 10^-8?
>
> Zeke
>
> ----- Original Message ----
> From: Tom Kramer
> To: tap-l@lists.ncsu.edu
> Sent: Thursday, October 23, 2008 1:59:19 PM
> Subject: [tap-l] X-Rays Detected From Scotch Tape
>
> My wife saw this on aol:
>
>
>
>
>
>


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