
AaS! 267: Is the Universe Older than We Think?
How can anyone agree on the age of the universe? And how can we be so confident if it's all just a bunch of models? What if the universe is extra lumpy, does that change anything? I discuss these ques...
3 Maalis 27min

AaS! 266: Is the Universe Made of Math?
Why is math so effective at describing the universe? What is reality is made of math? What does it mean for us to be conscious beings in a mathematical structure? I discuss these questions and more in...
17 Helmi 31min

AaS! 265: Does Antimatter Fall Up?
What is the weak equivalency principle? How was antimatter discovered and why is it the perfect thing to put gravity to the test? What did the CERN experiment discover? I discuss these questions and m...
3 Helmi 27min

AaS! 264: Just How Weird is the Quantum Eraser?
How does the double-slit experiment work? What does it teach us about reality and measurement if we try to mess with the experiment after it's already started? How does quantum complementarity guide u...
20 Tammi 29min

AaS! 263: Does Free Will Exist?
What is causal determinism? What are some of the ways that physics can permit free will? What does emergence have to do with all of this? I discuss these questions and more in today's Ask a Spaceman! ...
6 Tammi 30min

AaS! 261: What are Black Dwarfs?
What happens to a white dwarf when it cools off? How long does it take? Do they just stay black forever, or will something more interesting happen to them someday? I discuss these questions and more i...
2 Joulu 202536min

AaS! 260: What's the Big Deal with the Weak Force?
How did we discover the weak nuclear force? Why is it so strange compared to the other forces? What do mirrors have to do with all of this? I discuss these questions and more in today's Ask a Spaceman...
18 Marras 202531min











