Tuesday
Oct202009
Retro Tech Tuesday: The Abacus
Tuesday, October 20, 2009 at 6:36AM
There's old-school, then there's old-school! Today we're turning the retro-tech dial all the way to the left to go back to where it all started: The abacus. If you've ever seen the mysterious device, and wondered just how to use it, well today is your lucky day.
Enjoy!
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