Originally Posted by
david340r
A small point, but this seems to imply neutrons are cosmic rays. However I believe they are rarely neutrons. However when cosmic rays strike the upper atmosphere they can create a shower of secondary particles commonly including neutrons. As semiconductor devices have become smaller the charge they hold is smaller and therefore a "bit flip" is easier.
Right about the neutron.
Bit flips are rather caused by high energy charged particles or nuclei. Or X-rays, Gamma etc.
But this is no big deal in an aviation related article ;-)