PIC: The Hidden LED Watch

At first glance, Hironao Tsuboi’ s watch looks like an ordinary piece of jewelry, or a plain watch band. A hidden funcionality is revealed when embedded LEDs illuminate two rows of numbers displaying the time.

At first glance, Hironao Tsuboi’ s watch looks like an ordinary piece of jewelry, or a plain watch band. A hidden funcionality is revealed when embedded LEDs illuminate two rows of numbers displaying the time.

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