RetroTech: Recordable Paper - The 3M Sound Page

In this video I take a look at a multimedia educational format from the 1970s, the 3M Sound Page (AKA Ricoh Synchrofax)
UPDATE
I’ve seen a few comments where the assumption has been made that this device was still in use as an educational tool in the 1990s. I think this is highly unlikely. Here’s my take on this - if you’ve ever gone to school, you’ll know that they rarely throw anything away. I know in my school there were things in storage cupboards that hadn’t been used in decades. My theory is that this was used in the 1970s and then stored away until being discovered in the 1990s by some mischievous children who liberated it and used it to record music off the radio (over the top of the old teachers programmes).
COMPLAINTS RECEIVED (SO FAR)
1) The use of the term ‘ASMR Nuts’
The definition of Nut as used in this context is as follows:
A person who is enthusiastic about a specific thing;
e.g.
Car nut
Football Nut
Health Nut
I am a Technology Nut - and I’m proud of it.
So you’ll have to find something else to pretend to get outraged by today.
2) ‘Fat Shaming’
3) ‘Flat Earth”
The recordings used in this video are taken from educational programmes made in 1974. Your 2018 complaints or observations on something from 44 years ago will need to be addressed to the creator of those programmes.
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-------THANKS TO -------
Jerobeam Fenderson for the intro animation: /
Muppet Teletext Graphic - courtesy of @ZXGuesser (on Twitter)
Also available here:
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Over Time - Vibe Tracks
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ThatSFXGuy -