Lecture no. 3 from the course: Mysteries of Modern Physics: Time
Taught by Professor Sean Carroll | 30 min | Categories: The Great Courses Plus Online Science Course
How do we measure the passage of time? Discover that practical concerns have driven the search for more and more accurate clocks. In the 18th century, the problem of determining longitude was solved with a timepiece of unprecedented accuracy. Today’s GPS navigation units rely on clocks accurate to a billionth of a second.