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! Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: dftba.com/artist/52/SciShow Or help support us by subscribing to our page on Subbable: subbable.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: www.facebook.com/scishow Twitter: www.twitter.com/scishow Tumblr: scishow.tumblr.com Thanks Tank Tumblr: thankstank.tumblr.com Sources: engineering.mit.edu/live/news/2037-how-does-a-battery-work chemwiki.ucdavis.edu/Analytical_Chemistry/Electrochemistry/Voltaic_Cells/Case_Study%3A_Battery_Types batt.lbl.gov/what-is-a-battery/ electronics.howstuffworks.com/everyday-tech/battery.htm www.youtube.com/watch?v=GhbuhT1GDpI -- scishow lemon battery news.bbc.co.uk/2/hi/science/nature/2804257.stm#story -- Bagdad batteries www.allaboutbatteries.com/history-of-batteries.html www.energizer.com/learning-center/Pages/battery-history.aspx www.howstuffworks.com/electric-car.htm electronics.howstuffworks.com/everyday-tech/lithium-ion-battery.htm www.scientificamerican.com/article.cfm?id=how-do-rechargeable-that - rechargable www.technologyreview.com/news/416973/cheaper-stronger-lithium-ion-batteries-for-electric-vehicles/ www.geek.com/news/how-a-lead-acid-battery-works-1501045/ auto.howstuffworks.com/fuel-efficiency/vehicles/electric-car-battery.htm electronics.howstuffworks.com/everyday-tech/battery.htm www.prlog.org/10815582-why-are-some-batteries-rechargeable-but-others-arent.html

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