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Image chat with of Leonardo Senatore, Ask Symmetry Twitter
Artwork by Sandbox Studio, Chicago

In search of a parallel universe

What are parallel universes, and why do we think they might exist?

Theoretical physicist Leonardo Senatore from the Kavli Institute for Particle Astrophysics and Cosmology explains.

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Have a burning question about particle physics? Let us know via email or Twitter (using the hashtag #AskSymmetry). We might answer you in a future video!

You can watch a playlist of the #AskSymmetry videos here. You can see Leonardo Senatore's answers to readers' questions about dark matter and dark energy on Twitter here.