domino,logic,gates,OR,AND,XOR,dominoes,TTL,CMOS,replacement,principles,education Domino Logic ... Gates

"Create OR, AND and XOR gates out of dominoes. Replacement for TTL and CMOS."

"Who needs a boring textbook to explain the principles behind logic gates, when you have...dominoes!"

From http://digg.com/programming/Domino_Logic_Gates ...