A new definition of time suggests that what we once thought was a fundamental element of our physical reality could actually just be an illusion created by quantum entanglement. That's a very bold ...

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 earliest definitions of time-interval quantities were based on observed astronomical phenomena. Today's definition of time uses a combination of atomic and astronomical time. However, their ...

The article details the historical evolution of timekeeping, tracing its origins from lunar calendars used over 20,000 years ago to the modern Gregorian calendar, highlighting the contributions of ...