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How Does Film Turn Photons Into A Photograph?

Author: 
Jon Dough

Hand holding a negative Once upon a time, not so long ago, we used devices called cameras to take photographs. 

These cameras took a special film that had to be developed after being exposed in order to become a picture. 

So how does this device take light photons and capture them on a film that can then be chemically developed into a picture? 

The process is a lot more simple that you might think, it just takes a little chemistry and some know-how. 

This quick but informative video by SciShow explains that science behind this once common practice. 

Don't forget to leave a comment and let me know what you thought about the video or to tell me about your experiences with film cameras!