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 Feb 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 Jan 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 Jan 30min
AaS! 262: Does the Universe Have Extra Dimensions?
What do extra dimensions have to do with the strength of gravity? What is a tower of gravitons? How can we detect extra dimensions even if we can't perceive them? I discuss these questions and more in...
16 Dec 202532min
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 Dec 202536min
AaS! 259: Where Exactly is the Edge of the Universe?
Is the universe infinite? What about the cosmological horizons, the limits to what we can see? Will we ever know for sure what's beyond them? I discuss these questions and more in today's Ask a Spacem...
4 Nov 202523min
AaS! 258: What's Going to Happen After the ISS?
Why did we develop the International Space Station in the first place? What have we learned in its 25+ years of operation? When is it coming down, and why? And what's coming up next? I discuss these q...
21 Okt 202532min
