How We Know The Universe is Ancient

The universe is precisely 13.8 billion year old - or so our best scientific methods tell us. But how do you learn the age of the universe when there’s no trace left of its beginnings?

More Episodes

The Arrow of Time and How to Reverse It

It's time to begin our journey towards really understanding time.

Can Free Will be Saved in a Deterministic Universe?

Space Time weigh in on physics and free will.

Electroweak Theory and the Origin of the Fundamental Forces

We explore how forces of nature, once unified, were forced to separate.

Other Shows You May Enjoy