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Logic with Legos
Written by Gizmo   
Friday, 15 July 2005 06:49

Ever played with the Lego Technic sets?  Me neither, but apparently a lot of people out there are, and they are doing some very creative things with them.  Among other things, some really talented people have figured out how to build mechanical logic circuits.  Interested yet?  Well, try this on for size: modern computer technology evolved out of the attempts by an inventor named Charles Babbage in 1834 to build a machine called a 'Difference Engine'.  It was the first digital computer.  Although it didn't work very well, that was due to the limitations of the technology available to make the cogs and gears used by the Difference Engine, not to a limitation of the technology itself.  Machines like the Difference Engine were used by American battleships in World War II to calculate shell trajectories for their big guns, and were part of what made those ships such devastating weapons of war.

So, have you experimented with anything like this?  If so, we'd love to hear about it, in the forums!

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