To demonstrate how computers work, [Alex Gorischek] has made a physical example of how binary logic gates work using pulleys and weights. For anyone who doesn’t know much about logic gates (Wikipedia) ...

The fun part about logic gates is that there are so many ways to make them, with each approach having its own advantages and disadvantages. Although these days transistor-transistor logic (TTL) is the ...

A lot of that accomplishment comes from a simple lesson Gates learned early on in his life. I think it’s worth looking at, especially since it’s something many people take a lifetime to learn, if they ...