In this episode, the Nobel Prize-winning physicist Frank Wilczek speaks with host Steven Strogatz about the many “arrows” of time and why most of them seem irreversible, the essence of what a clock is ...

The definition of time is actually highly contested. The most agreed-upon scientific definition is that time is the progression of events from the past to the future. It is integral to the way humans ...

(via Fermilab) Time is something with which we have tremendous experience, but a detailed and scientific definition of time and how it works eludes even the most educated of minds. In this video, ...