Just because the first few tablet textbooks have shipped doesn't mean that members of Kno's development team are resting on their laurels. Product testing on the Kno tablet continues -- and it looks like Lego is doing the heavy lifting. They've put our favorite plastic building blocks to work by constructing a Kno stress tester out of Lego Technic parts. The robot checks both the Kno's ambient light sensor and the ability of its touchscreen to accurately track the system's pen
