OT:techology

[James Fogg]

> You've got gravity. Dry sand flows pretty well. Bamboo is 
> hollow and so can be used to channel dry sand around. 
> Different lengths of bamboo could be used to introduce 
> delays. Doubtless you could make basic logic gates. 
> 
> Some sort of mechanical effort would be needed to lift sand 
> again in order to combat gravity pulling sand downward.
> 
> Not much different from a relay computer really, I suppose. 
> Just slower.
> And more sandy.

And relay computers don't like salt water, but administrators might.
Hmmm, seaside computing. I think we hit on something.