[canuck_conservative]

One difference between the two: as an “electrical device”, flash memory cards would not survive exposure to an EMP pulse; optical disks (non-electrical) would.

I’ll keep backing up the really important stuff onto 2 disks, stored in cool, un-sunlit places far apart.

[6SJ7]

One difference between the two: as an “electrical device”, flash memory cards would not survive exposure to an EMP pulse; optical disks (non-electrical) would.

Good to know. I can still watch "Groundhog Day" after WWIII.   ;-)