There are many different ways a multiverse might exist. But can you travel to these different universes? Columbia University physicist Brian Greene explains if it would even be possible.
Science Insider tells you all you need to know about science: space, medicine, biotech, physiology, and more.
Subscribe to our channel and visit us at: http://www.businessinsider.com/science
Science Insider on Facebook: https://www.facebook.com/BusinessInsiderScience/
Science Insider on Instagram: https://www.instagram.com/science_insider/
Business Insider on Twitter: https://twitter.com/businessinsider
Tech Insider on Twitter: https://twitter.com/techinsider