How to store data on paper?
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Commonly it is done with a pen or pencil.
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Commonly it is done with a pen or pencil.
Technology!
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I've used Optar. It works a lot better than just printing some QR codes. It fits 188 KiB on a sheet of letter sized paper after error correction. It does require a laser printer and a flat bed scanner though.
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I've used Optar. It works a lot better than just printing some QR codes. It fits 188 KiB on a sheet of letter sized paper after error correction. It does require a laser printer and a flat bed scanner though.
that is really neat
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Storage is easy. Retrieval is more difficult. Test your backups.
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Commonly it is done with a pen or pencil.
Toilet paper do not count
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I've used Optar. It works a lot better than just printing some QR codes. It fits 188 KiB on a sheet of letter sized paper after error correction. It does require a laser printer and a flat bed scanner though.
It fits 188 KiB on a sheet of letter sized paper
Maybe I won't use that to back up my photo library as few rough web searches suggests that the pile of paper would be something around 500 meters tall. Pretty neat technology and I suppose if you really need something stored you can etch that to stainless steel plate or something similar, but data density isn't the best around.
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