How did String Theory get started? What has made the idea so popular over the decades? Can we ever truly have a theory of quantum gravity? What is supersymmetry, the landscape, and the AdS/CFT Correspondence? What do holograms have to do with this? How many dimensions do we live in? Why does String Theory have such a hard time making predictions? How are we supposed to judge a theory that isn’t done yet? It’s a non-stop String Theory bonanza as I discuss these questions and more in today’s Ask a Space
What are the different kinds of gamma ray bursts? What powers them? What do we still have to understand about them? I discuss these questions and more in today’s Ask a Spaceman!
Is there more to say about the “crisis in cosmology”? What are the fundamental disagreements? Is there any way out of this mess? Why am I talking about it again? I discuss these questions and more in today’s Ask a Spaceman!
What kind of signals are we searching for from aliens? What are technosignatures and biosignatures? How are we looking for non-intelligent life? Is there any hope of finding life in our own solar system? I discuss these questions and more in today’s Ask a Spaceman!