Source: http://gizmodo.com/this-digital-sundial-tracks-the-sun-through-a-laser-cut-1545753402
Sure, sundials are totally impractical in the age of precise atomic clocks, but this digital sundial cube is still the coolest. Made out of 59 plates of metal cut to match the angle of the sun at different times of the day, the Sun Cube casts a dot-matrix number to mark each hour.
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