in my wandering mind i built several computer.

the dox was a turbo cooled 68k array of processor node runnning hypothetical mister sys os.

the feature of the dox  was a non stop rugged system specialised in relyability under extreme condition.

that was in 1999
now a few week before 2016
how can it be builded on the cheap?

usb thumb drive can survive laundry and outside condition.
arm plarform quite devloped