Multiverse (IMAGE) Perimeter Institute for Theoretical Physics Caption This is a screenshot from a video of Matthew Johnson explaining the related concepts of inflation, eternal inflation, and the multiverse. Credit Perimeter Institute Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.