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This charming Knock Clock was made by three Copenhagen Institute of Interaction Design students for a 48-hour design project. When you knock on the top of this minimalistic wooden box, it knocks back the time of day (to the nearest quarter hour). It even has a basic alarm function, which—naturally—is set by knocking as well. [via Adafruit]

Update: Check out the interior of the Knock Clock here.


Matt Richardson

Matt Richardson

Matt Richardson is a San Francisco-based creative technologist, Contributing Editor at MAKE. He’s the co-author of Getting Started with Raspberry Pi and the author of Getting Started with BeagleBone.

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