What is the fine structure constant? Where does it come from? Why is it so important? I discuss these questions and more in today’s Ask a Spaceman!
Why do we care about loop quantum gravity? Is it a viable path to uniting quantum mechanics and general relativity? What does it mean for spacetime to be discrete? I discuss these questions and more in today’s Ask a Spaceman!
How are globular clusters so old? Where did they come from, and how are they linked to galaxy formation? What makes them so globular, anyway? I discuss these questions and more in today’s Ask a Spaceman!
What is the simulation hypothesis? Is it just pseudoscience? How do we grapple with its implications? I discuss these questions and more in today’s Ask a Spaceman!