John Zimmerman, an associate professor in Carnegie Mellon University's School of Design and Human-Computer Interaction Institute, has developed an unconventional alarm clock every new parent needs, Quotes ScienceDaily,
"The moonset and sunrise calculator controls a "sky display," illustrating time in a way that young children can understand by using images of the sun, moon and stars."
This is a great invention for us people with many children. I wonder how effective it will be.
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