>https://twitter.com/FBIRecordsVault/status/1296144912497352705
Either mechanically or optically
They would read the same. Just different methods of reading.
Its all digital, or hole = 1 nohole = 0 These are bits.
Then based on different encodings you would put longer groups together.
4 in a row you get some hex.
8 in a row and you got a byte.
string bytes together you get data.