What exactly is time? Why is time difficult to define? How did Einstein define time? Learn more about time as Jonathan, Lauren and Joe nail down the interpretations, descriptions and definitions of this notoriously difficult-to-define concept.
What does the theory of relativity have to do with time? Why would it be hard to synchronize time between Earth and space travelers? Is it even possible to have a standard time once you leave Earth? Learn more about time with Joe, Jonathan and Lauren.