Computer Programming for Kids and Other Beginners book

http://www.manning.com/sande/

 

Your computer won’t respond when you yell at it. Why not learn to talk to your computer in its own language? Whether you want to write games, start a business, or you’re just curious, learning to program is a great place to start. Plus, programming is fun!
Hello World! provides a gentle but thorough introduction to the world of computer programming. It’s written in language a 12-year-old can follow, but anyone who wants to learn how to program a computer can use it. Even adults. Written by Warren Sande and his son, Carter, and reviewed by professional educators, this book is kid-tested and parent-approved.
You don’t need to know anything about programming to use the book. But you should know the basics of using a computer–e-mail, surfing the web, listening to music, and so forth. If you can start a program and save a file, you should have no trouble using this book.

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The under-appreciated hard drive gets torn apart and explained

http://www.engadget.com/2011/06/09/the-under-appreciated-hard-drive-gets-torn-apart-and-explained/

Bill Hammack, also known as Engineer Guy, takes us on a detailed tour of the inner workings of the ubiquitous hard disk drive — from the Lorentz Force driven arm, to the head that floats a mere 10nm above the layered cobalt platters thanks to the wonders of aerodynamics