The Equinox Clock is an Arduino-based creation that lets you tell the time with a rainbow-hued ring of LEDs illuminating your wall. Its hollow circular shape looks a lot like that bladeless fan, the Dyson Air Multiplier.

[BranKnaapen], who made it, explains how the clock has been done.

via [Gizmodo] and  [The Daily What] and [Gawker TV] source [Bram Knaapen]