Originally published at: http://www.howtogeek.com/176502/batteries-a-big-idea-that-turned-on-the-world/
So many of our favorite devices and many of the machines we use every day all have one thing in common…batteries! YouTube channel SciShow looks at how these wondrous and portable little ‘power houses’ work, their history, and where battery technology may be headed in their latest video.
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