What is time?

Daniel and Kelly dissect the evidence presented in recent peer-reviewed science papers for pre-Sputnik artificial satellites in Earth orbit.See omnystudio.com/listener for privacy information. 

Daniel and Kelly marinate in ethanol and saltwater, and reflect on the symmetries of antiparticles.See omnystudio.com/listener for privacy information. 

What is time? Is it infinite? Neil deGrasse Tyson and comedian Chuck Nice answer questions all about time. Does time even exist? 

(Originally Aired March 3, 2013)

NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here: 
<a href=" ...

Time is the one thing you experience every single second of your life. And nobody can explain what it actually is.You feel it passing. You watch it on clocks. You lose it. You waste it. You wish you had more of it. But if someone asked you to explain what time actually is, you'd ...  Show more

Melvyn Bragg and guests discuss the history of mankind’s attempt to understand the nature of time. At the end of the 19th century, H.G.Wells imagined travelling through time in The Time Machine; “The palpitation of night and day merged into one continuous greyness; the sky took o ...  Show more

What is now? What is the present moment? These questions continue to stagger us, for nothing is so simultaneously familiar and alien than the passage of time. Nothing seems more “real” to us that the present, yet it vanishes into nothing at every attempt to capture or quantify ...