A picture, in a thousand words
I like this photo. The photographic process involves exposing a sheet of nitrocellulose coated in silver halide crystals to light. Where light strikes, the crystals convert to metallic silver. During the developing process, unconverted crystals are washed away, giving a photonegative image. This is then laid atop a sheet of paper treated in the same fashion and exposed to illumination again to produce a positive print. A black and white photo is literally a picture etched onto the page in grains of silver. People say photos are precious, but rarely do we think of them being elementally so. Early photography required lengthy exposure times, to the point where a brace to hold the subject steady was standard equipment in a photographic studio. At the dawn of the 20th century, Eastman Kodak ushered in the era of the snapshot by releasing the Brownie box camera, which required only that one pointed it at the subject and pressed the shutter button. Candid and mock-candid photography q...