What better way can there be to discuss the nature of time than sitting down with two eminent theoretical physicists in the timeless beauty of Vieques, at the western end of the Spanish Virgin Islands? Alan Guth, who first proposed the theory of cosmic inflation, and Sean Carroll, cosmologist and popular science communicator (and also a member of the board of Nautilus), are currently working together, in collaboration with Caltech grad student Chien-Yao Tseng, on a paper explaining the arrow of time. Watch as they walk us through some of the basic ideas.
Thought-provoking science stories.
No-brainer intro price.
Thought-provoking science stories.
No-brainer intro price.
The full Nautilus archive • eBooks & Special Editions • Ad-free reading
- The full Nautilus archive
- eBooks & Special Editions
- Ad-free reading

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The Stress Etched in Rose Petals
These symbols of romance are geometrical enigmas -
These Physicists Want to Ditch Dark Energy
The idea that mysterious stuff speeds up the acceleration of the universe could be a big mistake -
Feeling Gravity’s Pull
Two theoretical physicists have a lively conversation about how abstract concepts can feel down-to-Earth. -
Einstein’s Other Theory of Everything
After Einstein explained gravity as a consequence of curved spacetime, he tried to explain matter the same way. -
When Reality Came Undone
100 years ago, a circle of physicists shook the foundation of science. It’s still trembling.