Everyday Einstein's Quick And Dirty Tips For Making Sense Of Science

How do we measure time? How accurate are today’s clocks relative to the first clocks of ancient times? And what is the definition of a second? Read the transcript at http://www.quickanddirtytips.com/education/science/how-do-we-measure-time Check out all the Quick and Dirty Tips shows: www.quickanddirtytips.com/podcasts FOLLOW EVERYDAY EINSTEIN Facebook: https://www.facebook.com/qdteinstein Twitter: https://twitter.com/qdteinstein