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Get flash to fully experience Pearltrees
"This site was honored because of its comprehensive coverage of most of physics, the creative use of multimedia and linking, and the impact it has had on students worldwide. Online tutorials cover a wide range of physics topics, including modern physics and astronomy. Material is organized through extensive concept maps." HyperPhysics is an exploration environment for concepts in physics which employs concept maps and other linking strategies to facilitate smooth navigation. For the most part, it is laid out in small segments or "cards", true to its original development in HyperCard.
HyperPhysics Concepts
jocko777
Today
Business
Discover Information
geek
Google I / O
So you've spent a lot of time discovering and downloading new music, but your library's a mess. You're still using the same player you used 5 years ago, the files are in 10 different places on your hard drive, and your metadata looks like a tornado hit it. Take some time this weekend to clean up your library once and for all. Note: If you're using a streaming service like Spotify, you probably don't have much of a library to clean up—it's already done for you. This is more for the old school among us that are still carefully crafting a local library of ripped and downloaded songs.
linux - Lifehacker
Programing
Processing 1.0
Processing is an open source programming language and environment for people who want to create images, animations, and interactions. Initially developed to serve as a software sketchbook and to teach fundamentals of computer programming within a visual context, Processing also has evolved into a tool for generating finished professional work. Today, there are tens of thousands of students, artists, designers, researchers, and hobbyists who use Processing for learning, prototyping, and production. To contribute to the development, please visit Processing on Google Code to read instructions for downloading the code , building from the source , reporting and tracking bugs , and creating libraries and tools .