Magic Eye tubes were popular as tuning guides on old-school radio gear. However, the tubes, the 6U5 model in particular, have become rare and remarkably hard to come by of late. When the supply dried ...

In the early 1990s, Magic Eye images (or computer-generated autostereograms to give them their generic name) felt like the pinnacle of an exciting confluence of art and technology. They were ...

We’re used to low cost parts and a diversity of electronic functions to choose from in our projects, to the extent that our antecedents would be green with envy. Back when tubes were king, electronics ...