3 Simple Ways to Time Travel (& 3 Complicated Ones)

Thanks to Volkswagen for supporting this video - http://vwoa.us/160kehn And check out Aatish Bhatia's excellent physics blog - http://www.empiricalzeal.com/ Volkswagen would like you to know that every new Volkswagen comes with no-charge scheduled maintenance for the first two years or 24,000 miles. For more on time-tr

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