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Comment: Re:Not "analog" (Score 1) 399

by Outatime (#28429013) Attached to: Kodak Kills Kodachrome

I'll agree to being confused. Thanks for being more useful than the other commenter and providing some helpful information.

Here's the definition I'm using, from

"adj. of or pertaining to a mechanism that represents data by measurement of a continuous physical variable, as voltage or pressure."

It's easy for me to see how a video cassette fit this definition, as it is a record of voltage. I can believe that film also fits the definition but I'm not a chemist. What's the continuous physical variable recorded on film?

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