Perhaps you had a Global Hypercolor T-shirt and spent a summer looking like the sweaty idiot you were, and it’s certain you desperately squinted at a magic eye image in a newspaper (remember ...

I remember the first time I encountered a "Magic Eye" poster. It was a chaotic carnival scene—lights flashing, fried dough in the air, laughter spiraling in every direction. And then ...

Perhaps nothing added quite so much to the charm of vacuum tube circuits from back in the heyday of the vacuum tube as did the “Magic Eye” indicating tube. With the ghostly green glow of its ...