Batteries: A Big Idea That Turned on the World

Even though they power many of our modern conveniences, batteries have a long history. Hank explains how and why these marvels work and what they've been used for over the past 2,000 years!

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Sources:
http://engineering.mit.edu/live/news/...
http://chemwiki.ucdavis.edu/Analytica...
https://batt.lbl.gov/what-is-a-battery/
http://electronics.howstuffworks.com/...
   • How to Make a Lemon Battery   -- scishow lemon battery
http://news.bbc.co.uk/2/hi/science/na... -- Bagdad batteries
http://www.allaboutbatteries.com/hist...
http://www.energizer.com/learning-cen...
http://www.howstuffworks.com/electric...
http://electronics.howstuffworks.com/...
http://www.scientificamerican.com/art... - rechargable
http://www.technologyreview.com/news/...
http://www.geek.com/news/how-a-lead-a...
http://auto.howstuffworks.com/fuel-ef...
http://electronics.howstuffworks.com/...
http://www.prlog.org/10815582-why-are...