Did you know that the word “photography” comes from the French word photographie which is based on the Greek words φως phos (”light”), and γραφίς graphis (”stylus”, “paintbrush”) or γραφή graphê (”representation by means of lines” or “drawing”), together meaning “drawing with light.”

Plasma cutting is a process that is used to cut steel and other metals (or sometimes other materials) using a plasma torch. If you’re looking for a high quality and superior plasma cutter then check out Kaliburn. They offer a wide range of plasma cutting systems that comes with a competitive price and a warranty that is the best in the welding industry. Kaliburn provides you with superior products and quality services.

Night photography really interests me because of all how beautiful the attractive lights look against the dark of night. I haven’t had the chance yet to shoot at night but as soon as I get my own DSLR, you bet I’ll be doing some serious night photography. Anyway, I just want to share something that I learned from my basic photography class. It’s a chart of what shutter speed and aperture to use on some specific ISOs when shooting night scenes. The lecturer gave us this chart as a guide for night photography. Hope you’ll find this useful somehow. Another tip for doing night photography is to use a tripod and a wireless remote or shutter release cords to prevent blurry photos.

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I was reading a blog entry about cow facts and one thing that was mentioned was that cow’s gelatin is used in making photographic films. I got curious of course and I did a little searching and reading and here’s what I found out: Photographic film is a sheet of plastic (polyester, nitrocellulose or cellulose acetate) coated with an emulsion containing light-sensitive silver halide salts (bonded by gelatin) with variable crystal sizes that determine the sensitivity, contrast and resolution of the film. Most of the gelatin in photographic film, which I assume is the one used to bond the silver halide salts, is from cattle bones. And here’s another interesting fact, some layers in color films use gel made from pig skins.