big ben

big ben

How Does Big Ben Keep Accurate Time?

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UNEARTHED http://www.sciencechannelgo.com When parliament commissioned this clock in 1854, they insisted Big Ben be the biggest, most powerful clock in the world. It takes an hour and a half to wind this massive engineering marvel! Watch full episodes of your favorite Science shows: http://www.sciencechannelgo.com Subscribe to Science Channel: http://bit.ly/SubscribeScience Follow Science Twitter: https://twitter.com/ScienceChannel Or join us on Facebook: https://www.facebook.com/ScienceChannel Check out the all new seeeker.com: http://www.seeker.com/