Huffpost Science
Cara Santa Maria Headshot

What Is Time? Theoretical Physicist Sean Carroll Explains Time's Arrow (VIDEO)

Posted: Updated:

Have you ever stopped to ask yourself, "what is time?" We all understand its passage intuitively, experientially. But does time actually exist? Is it a force of nature? A tangible entity? Or is time a human construct--an attempt to comprehend the incomprehensible?

I spoke with theoretical physicist and perhaps the world's premier expert on the science of time, Sean Carroll, to learn more.

Watch the video above and/or click on the link below for a full transcript. And don't forget to sound off in the comments section at the bottom of the page. Come on, talk nerdy to me!

CLICK HERE FOR FULL TRANSCRIPT

See all Talk Nerdy to Me posts.
Like Cara Santa Maria on Facebook.
Follow Cara Santa Maria on Twitter.

Also on HuffPost:

Close
Are You Smarter Than An Eighth Grader?
of
Share
Tweet
Advertisement
Share this
close
Current Slide

Suggest a correction

Around the Web

What Is Time? One Physicist Hunts for the Ultimate Theory | Wired ...

Time - Wikipedia, the free encyclopedia

What Is Time?

What Is Time? - Forbes.com

Quick, What Is Time?

Alan Alda Asks: 'What Is Time?'

Alan Alda's Challenge to Scientists: What is Time?