Couple Hand-Making 1920s Film Stock in Their Basement

Two people are hand-coating and spooling photographic film in their home, using century-old emulsion formulas, and intend to shoot the results in an original Leica from the same era. This isn't boutique film revival theatre. It's proof that the actual chemistry and process of making film is within reach of people who care enough to try. For anyone shooting analog or considering it, this is the most interesting film story in years — not because you'll replicate it, but because it answers the question nobody asks: what actually goes into a roll of film, and why did we stop making it this way?