
AaS! 195: How Cold Can Space Get?
What's the temperature of deep space? Can it get any colder than that? How do we even define temperature when there's nothing around? I discuss these questions and more in today's Ask a Spaceman! Supp...
7 Mars 202328min

AaS! 194: Does the Universe Rotate?
How do we know that the universe doesn't rotate? Why would it matter if it did? What does all this have to do with time travel? I discuss these questions and more in today's Ask a Spaceman! Support th...
21 Feb 202341min

AaS! 193: What are the Blue Stragglers?
What are blue straggler stars? How were they first discovered? What do they tell us about star clusters and the evolution of stars? I discuss these questions and more in today's Ask a Spaceman! Suppor...
7 Feb 202335min

AaS! 192: Can Tachyons Exist?
Is it possible for anything to travel faster than light? What about tachyons? How would faster-than-light travel break causality? And just what the heck is causality, anyway? I discuss these questions...
17 Jan 202338min

AaS! 191: What is the Meaning of Quantum Mechanics? (Part 9: Both/And)
Part 9! What is the role of consciousness in quantum mechanics, if there even is one? Is there any way at all to develop a coherent view of nature based on quantum mechanics? What are the ultimate les...
3 Jan 202331min

AaS! 189: What is the Meaning of Quantum Mechanics? (Part 7: Many Worlds, Infinite Possibilities)
Part 7! What is the many-worlds interpretation of quantum mechanics? How does decoherence play a critical role? What are the strengths and weaknesses of this idea? I discuss these questions and more i...
6 Dec 202247min

AaS! 188: What is the Meaning of Quantum Mechanics? (Part 6: Einstein's Revenge)
Part 6! What were Einstein's objections to quantum mechanics? Why was he so bothered by non-locality? What is the EPR paradox? I discuss these questions and more in today's Ask a Spaceman! Support the...
15 Nov 202237min




















