Dear Walter I think your question is answered in the last line of the USA TODAY article. It recommends, as an option to film cameras, digital cameras as they are immune to x-rays. I've put my Canon digital through the machines countless times without experiencing any problems. However, I don't use a Compact Flash card but use an IBM Microdrive, which is a hard disk. This opinion about the stability of flash memory is shared by Vividlight at http://www.vividlight.com/articles/1515.htm Russell Ng At 09:51 PM 6/29/02 -0400, you wrote: >Good question. Awhile back it was discussed some circuits <memory cards> in >digital equipment can be 'messed' up. >Not much heard recently.