Flexi discs (not “flexidiscs”) sold in their tens of millions during the 60s, 70s, 80s, and the early 1990s—before virtually disappearing from the face of the earth for a decade and a half. But, as ...

In the rare case we listen to an audio CD these days, we typically rely on off-the-shelf hardware to decode the 1s and 0s into the dulcet tones of Weird Al Yankovic for our listening pleasure. [Lukas] ...