This Digital Sundial Tracks the Sun Through a Laser-Cut Cube

This Digital Sundial Tracks the Sun Through a Laser-Cut Cube

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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Why There Are 24 Hours in a Day [Giz Explains]

We live in a base-10 world. The decimal system governs everything from the binary functions of computers to the amount of change you get when you buy a Mashed Potato Slurpee. So why isn’t the standard Earth day just 10 hours long? Credit the Egyptians for that one. More »