Cassette tapes were a major way of listening to (and recording) music througout the 1980s and 1990s and were in every hi-fi stereo, boom box, and passenger vehicle of the era. Their decline was ...

My first stop was to find an engineering drawing of the Compact Cassette format, designed by Phillips back in 1963. I could always measure the tapes in front of me, but for something like this ...

way more than was used back in the day to make playback more consistent and reliable. The transparent front gives you that classic, much-imitated view of spinning reels, as well as a chance to enjoy ...