A Brief History of Time Telling - Tech Learning

A Brief History of Time Telling

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This video from The British Museum’s Young Explorers goes way back to see how we have measured time. First, of course, humans used the sun and moon as ways to determine the passage of time. You will see several of the sun dials in the British Museum’s collection. Next you’ll see mechanical clocks, chronometers, and,finally, atomic clocks. The video explains how time pieces have become more and more accurate over history and why that is important.

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Freedom: A History of US

Name: Freedom: A History of US Brief Description of the Site: Based on Joy Hakim's critically acclaimed book this PBS television series come with a remarkable web site to study American history. The site follows the series sequence and is divided into "Webisodes". Access to the book and the series would be nice