Feel the keys. Type a message without looking at the screen, under the desk in meetings, or in class – this feature is a life saver. There are key marking bumps both above and below the ‘D’ and the ‘J’ keys to further enable sightless typing. The ‘Send’ and the ‘Camera’ buttons also have partial outlines to assist sightless text messaging.
Researchers in the US military have developed a set of tests to determine the strength of 3D printed parts that could aid in future metal 3D printing quality control.