this post was submitted on 16 Jul 2024
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NSA Claims It Can’t Watch a Tape It Recorded in the 1980s (gizmodo.com)
submitted 4 months ago by jeffw@lemmy.world to c/technology@lemmy.world
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[–] TimeSquirrel@kbin.melroy.org 1 points 4 months ago* (last edited 4 months ago)

Pretty sure you're also going to need a focusing lens and a shutter to not have it just be a smear on the wall.

But it's not projector film, anyway. Magnetic tape also came on reels back in the day. Mainframes were using them for long term storage. There were also reel-to-reel music players.