What happened to the “beautiful dream”? While the Internet’s triumphant story has been well documented by its designers and the historians they have worked with, OSI has been forgotten by all but a handful of veterans of the Internet-OSI standards wars. To understand why, we need to dive into the early history of computer networking, a time when the vexing problems of digital convergence and global interconnection were very much on the minds of computer scientists, telecom engineers, policymakers, and industry executives. And to appreciate that history, you’ll have to set aside for a few minutes what you already know about the Internet. Try to imagine, if you can, that the Internet never existed.
A different kind of standardized testing. Why the debate over ISO 29119, the proposed international standard for software testing, might matter to you. [more inside]
If you wanted to understand how cameras work, you could spend some time with your camera manual. If it's not handy (or not helpful), you might opt to read through Wikipedia pages about film speed, ISO and digital equivalents, F-numbers (f-stop* or relative aperture), and depth of field (DOF). If you prefer, you could read "tedious explanations" of f-stop and depth of field and other photographic topics from Matthew Coles. Or you can spend 45 minutes watching 3 videos from YouTube user Dylan Bennett, as he explains ISO, F-stop and depth of field. Then you can join Joe Brady for a few hour-long sessions on setting up your camera for Portrait Photography with Ambient Light and Landscape Photography, and mastering exposure for landscape photography [more inside]
Free online graph paper generators: variations of squares, triangle, rhombus, and hexagonal, circular and polar, for drawing, gaming, writing, note-taking and much more. Blank Sheet Music (Flash) for all arrangements (PDF). Create and edit your own grids, probability and logarithmic graphs, petri-dish inserts and storyboards. Also, multilingual monthly and yearly calendars. Plus, more than you ever wanted to know about ISO paper dimensions and printable paper models of polyhedra. Prev-ious-ly.
Light and Matter has put together an excellent explanation of the Three Basics of Exposure and Photography using (mostly) eight bit graphics. [more inside]
100 Helpful Photography Tutorials for Beginners and Professionals. Photography as both a profession and a hobby is an expansive topic that covers a vast range of subjects from science and art. No matter where you lie on the spectrum, there is always more to learn. From the folks at Tuts+.
Ever wondered how the smart people create those weird ♥ √ ⊄ ⊗ characters on MeFi and in other places? Wonder no more. Brought to you via MeFi's own riffola, who has a simplified version of his own.