Why would you like to have an iPod-like click wheel when you have a touchscreen beats me. [MacNN]
iPhone Nano Confirmed In Apple Patent
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Video. Chop a tree. Wait three years. And then you can make yourself a longbow.
Video. In order to harden the edge of steel, swords are often heated until they're impossibly hot and then quenched in liquid to rapidly cool down. This creates a much stronger grain structure in the steel which obviously leads to a much stronger sword. An interesting thing that happens during this quenching process is how the sword dramatically bends before it snaps back into shape (with a slight upward tilt).