Was This the World's First Wake-Up Light Alarm Clock?

As long as you don't take the sun into consideration, this 18th century contraption could very well be the world's first alarm clock that uses light as a wake up trigger, instead of sound. More »

Source: http://feeds.gawker.com/~r/gizmodo/full/~3/V7m6qXMhpE0/was-this-the-worlds-first-wake+up-light-alarm-clock

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