Although we don't exactly know how they work, magnets are one of Earth's many fascinations and are used in many gadgets today -- perhaps most notably in Apple's new Smart Covers. As you might have already known, the iPad 2's first party screen concealer uses a bunch of magnets to make the magic happen; it snaps on and fits almost too well. By taking a few rare earth magnets and gluing them to the original slate's hip, blogger Dan Provost is able to use a Smart Cover with the iPad uno. He positioned them according to how they stuck to the hinge of