
AaS! 196: Could We Ever Build a Dyson Sphere?
What are Dyson spheres? What would be involved in building one? How much energy would it cost, and could we ever pay it back? I discuss these questions and more in today's Ask a Spaceman! Support the ...
21 Mars 202337min

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! 190: What is the Meaning of Quantum Mechanics? (Part 8: For Nothing is Hidden)
Part 8! What is real in quantum mechanics, and what are mere mathematical tricks? Can the probability waves be real, and what would that mean? What is Pilot-Wave theory? I discuss these questions and ...
20 Dec 202240min




















