A computer built out of dominoes?

In the video below, a team built two computers out of dominoes.  The first was capable of adding any two numbers between 0 (zero) and 7 (seven).  The second computer they built was capable of adding any two numbers between 0 (zero) and 15 (fifteen).

The computer you are using right now, deep under the covers, does everything in terms of binary addition.  What about the other operations you ask?  Continue reading "A computer built out of dominoes?"

Paso Robles, CA

The first week in October my wife & I, with my parents, toured wineries in Paso Robles, CA.  We stayed at a local B&B for a few nights.