If you zoom in on a picture, the resolution drops rapidly. But the resolution of a picture or movie can be increased (such as a 4K upgrade) so could we eventually see very small or even microscopic things in old pictures or movies if the resolution keeps getting upgraded?
In: Technology
It all comes down to the resolution of the item that captured the image
With digital images you’re seeing all the data you have to work with from the get go, there’s nothing else to get
Movies are generally film that is *scanned* in to make the broadcast/vhs/DVD version you watch. Film has some crazy resolution because the particles on it are small so 35mm film is about 4k quality. But when the movie was first scanned in nothing was ready for that level of detail so they’d scan it in as 480 or maybe 720. As TVs got better it’s worth it to go back and scan it with a 4k scanner
The film always had the details and when projected as film they’ve always been there, but old methods of digitizing didn’t capture all the details so we could go back with fancier equipment and get digital copies closer to the film resolution
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