This device looks like a classic one-channel oscilloscope, complete with all the knobs and settings you’d expect. The DL 901, made by Data Laboratories Ltd., is a mystery even to [Thomas], who ...

A flip-flop in digital electronics is a circuit with two stable states that can be used to store binary data. The stored data can be changed by applying varying inputs. Flip-flops and latches are ...

Some materials let electricity pass through them easily. These materials are known as electrical conductors. Metal is used in plugs to allow electricity to transfer from the wall socket, through ...