Luke Barnes - What Exists?

Lots of things exist. But what is so absolutely fundamental in that it cannot be further reduced into anything more fundamental, but other things that exist can be reduced to it? The challenge is to discern the minimum number of basic categories that can explain the entirety of existence.  Free access to Closer to Truth's library of 5,000 videos: http://bit.ly/376lkKN Watch more interviews on what exists: https://bit.ly/3lF8KcA Luke A. Barnes is a theoretical astrophysicist, cosmologist and postdoctoral researcher at Western Sydney University. Register for free at CTT.com for subscriber-only exclusives: http://bit.ly/2GXmFsP Closer to Truth, hosted by Robert Lawrence Kuhn and directed by Peter Getzels, presents the world’s greatest thinkers exploring humanity’s deepest questions. Discover fundamental issues of existence. Engage new and diverse ways of thinking. Appreciate intense debates. Share your own opinions. Seek your own answers.