I had been taking my cubes apart by hand, as described. I have
found that they INDEED seem to suffer from it, at least
the C. Hungaricus (see earlier letter, I have taken neither
of the other species apart). They become disconnected and
loose, and turn into a clattering collection of colligenous
junk, to paraphrase the famous wizard.

A fitting solution to answering visitors' queries about the inside of
cubes lies in a retired cube (which broke due to impact with the floor,
the central cross shattered) which lies in a little box in dissociated
cubies for perusal of passers-by. This cube which served me well in
life, now serves even in retirement, by saving me from having to take
apart others.