I wasnn't going to open the PDF, as it is big for a 56 kbit/s modem, but
MRI is no use for baggage checking. It is of use only where live cells
have sufficient water to create resonances. I understand that baggage
checking machines have a "soft" (long wavelength) and a "hard" X-ray
imaging system, allowing image processing to indicate visually, by
different colours, the nature of the bag contents. The radiation levels
are very low. There are no major magnetic fields. HDDs are protected by
high-permeability magnetic screens, in any case. I've not only passed
computers galore through X-rays, but also magnetic tape, cameras,
camcorders, film etc. without damage.

Brian

Steve Gregory wrote:

> Just did a search, and found this:
>
>  http://www.travelsentry.org/images/airlines.pdf
>
> a "MRI like" kind of screening. What does that mean?
>
> Ken, you've opened a "can of worms"...
>
> -Steve Gregory-
>
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