Analog Clock
For human readable information, both digital and analog display methods can be useful... Many people glance quickly at their analog watch and immediately knowroughly what the time is... The careful study of the shape and proportion of the numbers, thethickness of the screen-printing, and the color of the background all ensure instant readability from various distances and angles...)In the era of robotic Mars explorations, humans still prefer more human-oriented devices on Earth! Use analog clocks, and leave the digits torobots!