What would the information on magnetic tape look like if it were visible?

Question

For example, would it look like waveforms printed onto the tape? Or are they fast magnetic pulses of some kind?

In: Engineering

Answer 1

A bit like these, but in a continuous line instead of a series of circles…

https://pbs.twimg.com/media/Dxx4D3JW0AAHMiL.png

https://habrastorage.org/getpro/habr/upload_files/77a/290/da0/77a290da083b113759e70c6976abc33e.png