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thought to be the oldest sundial in the world it is carved on a stone outside the tomb of Knoth in County Meath. The two holes in the center of the image probably held the gnomon (Object used to cast the shadow.)

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from Craftionary

22 Summer Beach Activities Fun for Kids and Parties

22 Summer Beach Activities Fun for Kids and Parties - There is some great ideas that I will try next time

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from National Geographic News

Sun Pictures: A Full Year in a Single Frame

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Human sundial, Wellington. Because of the time difference between ...