Sure, simulators are a great way to understand building blocks of logic structures like an adder. But there’s no better way to fully grip the abstraction of silicon logic than to build one from ...

It is ironic, then, that some people use fluids to build logic gates and, in fact, you can make any logic circuit you like using nothing but water flowing through some structures. Don’t think so?

As a quick example, let's look at a 1-bit full adder. This circuit takes three inputs (A, B, and Carry-In) and produces two outputs (Sum and Carry-Out). The basic design consists of five logic ...