Timekeeping: Explore the History and Science of Telling Time with 15 Projects by W. Eric Martin, Linda Formichelli

Timekeeping: Explore the History and Science of Telling Time with 15 Projects

Build It Yourself

W. Eric Martin, Linda Formichelli with Sam Carbaugh (Illustrator)

128 pages • missing pub info (editions)

fiction childrens history informative medium-paced
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Timekeeping: Explore the History and Science of Telling Time travels through the past and into the future to explore how humans have measured the passage of time. From ancient civilization's earliest calendars and shadow clocks to GPS and the atom...

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