Every so often, a new car will come out with fancy, seemingly new technology that, in reality, was already attempted in the '30s, '40s, or '50s. Take the push-button door handles from the Lincoln ...

Push-button start may be common today, but it wasn't always the dominant way to crank an engine. Push-button start systems and ignition key systems activate the same process in different ways. Do you ...

This is an improved version of Anthony Smith’s designs for a latch on/latch off switch (see the whole series below). The new design switches a 120VAC load, and includes several much-needed details on ...