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Homeschool Institute of Science

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December 25, 2019

How the most common mineral on the planet powers our watches

Did you know that digital watches are powered by a 0.3 mm quartz crystal and a miniature set of tuning forks?! Dr. Bill Hammack, the Engineer Guy, calls quartz resonance the key invention of the modern industrial age because it has allowed precise timekeeping.

Bill Hammack, the Engineer Guy. Watch more from this world-class teacher at http://www.engineerguy.com/

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