Chances are you're no stranger to the Samsung Series 9 -- the first generation stood out for its slimness, and the most current version is an impressive 28 percent thinner. If you're wondering how those notebooks can be so dang skinny, your curiosity will be satisfied by Samsung's teardown of a 13-inch model. A thinner LCD and a customized main board contribute to the machine's slight profile, as do a 40 percent slimmer touchpad and a built-in lithium-polymer battery. As is so oft
