Convertible tablets are a dime a dozen in the laptop space, but very, very few of them can save your life. Toshiba's Viamo is the one that could -- when used by someone who knows how to control it, that is. It's a portable ultrasound device that has some tactile knobs and buttons for the old-school practitioners, but can be entirely controlled by that touchscreen, which folds flat. Sure, it isn't as portable as other ultrasound machines we've seen before, but it certainly looks quite a bit more advanced, and this one mounts on
