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 ...

As such, it is recommended to not tackle Eye That Desires Magic until a level or two over the recommended minimum of 43. This just makes it far easier to manage and ensures that players won't find ...

Its central feature is a seeing-eye tube and an adjustment knob. [David] does a bit of reverse engineering on the circuit, and is able to fire it up and get it working, magic eye squinting and all.